Secunia reports:

Some vulnerabilities have been reported in ClamAV, which can be exploited by malicious people to cause a DoS (Denial of Service) or to compromise a vulnerable system.

1) A boundary error exists within the "cli_scanpe()" function in libclamav/pe.c. This can be exploited to cause a heap-based buffer overflow via a specially crafted "Upack" executable.

Successful exploitation allows execution of arbitrary code.

2) A boundary error within the processing of PeSpin packed executables in libclamav/spin.c can be exploited to cause a heap-based buffer overflow.

Successful exploitation may allow execution of arbitrary code.

3) An unspecified error in the processing of ARJ files can be exploited to hang ClamAV.

Secunia reports:

A vulnerability has been reported in lighttpd, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to lighttpd not properly clearing the OpenSSL error queue. This can be exploited to close concurrent SSL connections of lighttpd by terminating one SSL connection.

The ikiwiki development team reports:

Cross Site Request Forging could be used to construct a link that would change a logged-in user's password or other preferences if they clicked on the link. It could also be used to construct a link that would cause a wiki page to be modified by a logged-in user.

postfix-policyd-weight does not check for symlink for its working directory. If the working directory is not already setup by the super root, an unprivileged user can link it to another directories in the system. This results in ownership/permission changes on the target directory.

If the system random number generator can be predicted by its past output, then an attacker may spoof Recursor to accept mallicious data. This leads to DNS cache poisoning and client redirection.

Multiple local privilege escalation are found in the symlink verification code. An attacker may use it to run a PHP script with the victim's privilege. This attack is a little harder when suphp operates in paranoid mode. For suphp that runs in owner mode which is the default in ports, immediate upgrade to latest version is advised.

Opera Software reports of multiple security issues in Opera. All of them can lead to arbitrary code execution. Details are as the following:

• Newsfeed prompt can cause Opera to execute arbitrary code
• Resized canvas patterns can cause Opera to execute arbitrary code

The Mozilla Foundation reports of multiple security issues in Firefox, Seamonkey, and Thunderbird. Several of these issues can probably be used to run arbitrary code with the privilege of the user running the program.

• MFSA 2008-19 XUL popup spoofing variant (cross-tab popups)
• MFSA 2008-18 Java socket connection to any local port via LiveConnect
• MFSA 2008-17 Privacy issue with SSL Client Authentication
• MFSA 2008-16 HTTP Referrer spoofing with malformed URLs
• MFSA 2008-15 Crashes with evidence of memory corruption (rv:1.8.1.13)
• MFSA 2008-14 JavaScript privilege escalation and arbitrary code execution

Core Security Technologies reports:

A remote buffer overflow vulnerability found in a library used by both the SILC server and client to process packets containing cryptographic material may allow an un-authenticated client to executearbitrary code on the server with the privileges of the user account running the server, or a malicious SILC server to compromise client systems and execute arbitrary code with the privileges of the user account running the SILC client program.

SecurityFocus reports:

The 'bzip2' application is prone to a remote file-handling vulnerability because the application fails to properly handle malformed files.

Exploit attempts likely result in application crashes.

Ian Jackson reports on the debian-security mailinglist:

When a block device read or write request is made by the guest, nothing checks that the request is within the range supported by the backend, but the code in the backend typically assumes that the request is sensible.

Depending on the backend, this can allow the guest to read and write arbitrary memory locations in qemu, and possibly gain control over the qemu process, escaping from the emulation/virtualisation.

Dovecot reports:

Security hole in blocking passdbs (MySQL always. PAM, passwd and shadow if blocking=yes) where user could specify extra fields in the password. The main problem here is when specifying "skip_password_check" introduced in v1.0.11 for fixing master user logins, allowing the user to log in as anyone without a valid password.

The Mplayer team reports:

A buffer overflow was found in the code used to extract album titles from CDDB server answers. When parsing answers from the CDDB server, the album title is copied into a fixed-size buffer with insufficient size checks, which may cause a buffer overflow. A malicious database entry could trigger a buffer overflow in the program. That can lead to arbitrary code execution with the UID of the user running MPlayer.

A buffer overflow was found in the code used to escape URL strings. The code used to skip over IPv6 addresses can be tricked into leaving a pointer to a temporary buffer with a non-NULL value; this causes the unescape code to reuse the buffer, and may lead to a buffer overflow if the old buffer is smaller than required. A malicious URL string may be used to trigger a buffer overflow in the program, that can lead to arbitrary code execution with the UID of the user running MPlayer.

A buffer overflow was found in the code used to parse MOV file headers. The code read some values from the file and used them as indexes into as array allocated on the heap without performing any boundary check. A malicious file may be used to trigger a buffer overflow in the program. That can lead to arbitrary code execution with the UID of the user running MPlayer.

Chris Evans from the Google Security Team reports:

Severity: parsing of evil PostScript file will result in arbitrary code execution.

A stack-based buffer overflow in the zseticcspace() function in zicc.c allows remote arbitrary code execution via a malicious PostScript file (.ps) that contains a long Range array.

A phpMyAdmin security announcement report:

phpMyAdmin used the $_REQUEST superglobal as a source for its parameters, instead of $_GET and $_POST. This means that on most servers, a cookie with the same name as one of phpMyAdmin's parameters can interfere.

Another application could set a cookie for the root path "/" with a "sql_query" name, therefore overriding the user-submitted sql_query because by default, the $_REQUEST superglobal imports first GET, then POST then COOKIE data.

Mitigation factor

An attacker must trick the victim into visiting a page on the same web server where he has placed code that creates a malicious cookie.

PCRE developers report:

A character class containing a very large number of characters with codepoints greater than 255 (in UTF-8 mode, of course) caused a buffer overflow.

xine Team reports:

A new xine-lib version is now available. This release contains a security fix (array index vulnerability which may lead to a stack buffer overflow.

Coppermine Security advisory

The development team is releasing a security update for Coppermine in order to counter a recently discovered cross-site-scripting vulnerability.

MoinMoin Security advisory

XSS issue in login action

XSS issue in AttachFile action

XSS issue in RenamePage/DeletePage action

XSS issue in gui editor

Opera Software ASA reports about multiple security fixes:

• Fixed an issue where simulated text inputs could trick users into uploading arbitrary files, as reported by Mozilla.
• Image properties can no longer be used to execute scripts, as reported by Max Leonov.
• Fixed an issue where the representation of DOM attribute values could allow cross site scripting, as reported by Arnaud.lb.

The Mozilla Foundation reports of multiple security issues in Firefox, Seamonkey, and Thunderbird. Several of these issues can probably be used to run arbitrary code with the privilege of the user running the program.

• Web forgery overwrite with div overlay
• URL token stealing via stylesheet redirect
• Mishandling of locally-saved plain text files
• File action dialog tampering
• Possible information disclosure in BMP decoder
• Web browsing history and forward navigation stealing
• Directory traversal via chrome: URI
• Stored password corruption
• Privilege escalation, XSS, Remote Code Execution
• Multiple file input focus stealing vulnerabilities
• Crashes with evidence of memory corruption (rv:1.8.1.12)

Secunia Advisory reports:

A vulnerability has been reported in OpenLDAP, which can be exploited by malicious users to cause a DoS (Denial of Service).

iDefense Security Advisory 02.12.08:

Remote exploitation of an integer overflow vulnerability in Clam AntiVirus' ClamAV, as included in various vendors' operating system distributions, allows attackers to execute arbitrary code with the privileges of the affected process.

The vulnerability exists within the code responsible for parsing and scanning PE files. While iterating through all sections contained in the PE file, several attacker controlled values are extracted from the file. On each iteration, arithmetic operations are performed without taking into consideration 32-bit integer wrap.

Since insufficient integer overflow checks are present, an attacker can cause a heap overflow by causing a specially crafted Petite packed PE binary to be scanned. This results in an exploitable memory corruption condition.

Exploitation of this vulnerability results in the execution of arbitrary code with the privileges of the process using libclamav. In the case of the clamd program, this will result in code execution with the privileges of the clamav user. Unsuccessful exploitation results in the clamd process crashing.

Workaround

Disabling the scanning of PE files will prevent exploitation.

If using clamscan, this can be done by running clamscan with the '--no-pe' option.

If using clamdscan, set the 'ScanPE' option in the clamd.conf file to 'no'.

The cacti development team reports:

Multiple security vulnerabilities have been discovered in Cacti's web interface:

• XSS vulnerabilities
• Path disclosure vulnerabilities
• SQL injection vulnerabilities
• HTTP response splitting vulnerabilities

The ikiwiki development team reports:

The htmlscrubber did not block javascript in uris. This was fixed by adding a whitelist of valid uri types, which does not include javascript. Some urls specifyable by the meta plugin could also theoretically have been used to inject javascript; this was also blocked.

zenphoto project reports:

A new zenphoto version is now available. This release contains security fixes for HTML, XSS, and SQL injection vulnerabilities.

Greg Wilkins reports:

jetty allows remote attackers to bypass protection mechanisms and read the source of files via multiple '/' characters in the URI.

xine project reports:

A new xine-lib version is now available. This release contains a security fix (remotely-expoitable buffer overflow, CVE-2006-1664). (This is not the first time that that bug has been fixed...) It also fixes a few more recent bugs, such as the audio output problems in 1.1.9.

Matthieu Herrb of X.Org reports:

Several vulnerabilities have been identified in server code of the X window system caused by lack of proper input validation on user controlled data in various parts of the software, causing various kinds of overflows.

Exploiting these overflows will crash the X server or, under certain circumstances allow the execution of arbitray machine code.

When the X server is running with root privileges (which is the case for the Xorg server and for most kdrive based servers), these vulnerabilities can thus also be used to raise privileges.

All these vulnerabilities, to be exploited succesfully, require either an already established connection to a running X server (and normally running X servers are only accepting authenticated connections), or a shell access with a valid user on the machine where the vulnerable server is installed.

Gentoo reports:

A remote attacker could entice a user to install a specially crafted "rc" file to execute arbitrary code via long strings in the "Name" and "Comment" fields or via unspecified vectors involving the second vulnerability.

Nico Golde reports:

A local attacker could exploit this vulnerability to conduct symlink attacks to overwrite files with the privileges of the user running Claws Mail.

Secunia reports:

A vulnerability has been reported in IRC Services, which can be exploited by malicious people to cause a Denial of Service. The vulnerability is caused due to the improper handling of overly long passwords within the "default_encrypt()" function in encrypt.c and can be exploited to crash an affected server.

xine project reports:

A new xine-lib version is now available. This release contains a security fix (remotely-expoitable buffer overflow, CVE-2008-0225). It also contains a read-past-end fix for an internal library function which is only used if the OS does not supply it and a rendering fix for Darwin/PPC.

Geeklog reports:

MustLive pointed out a possible XSS in the form to email an article to a friend that we're fixing with this release.

Please note that this problem only exists in Geeklog 1.4.0 - neither Geeklog 1.4.1 nor any older versions (1.3.x series) have that problem.

The Drupal Project reports:

The aggregator module fetches items from RSS feeds and makes them available on the site. The module provides an option to remove items from a particular feed. This has been implemented as a simple GET request and is therefore vulnerable to cross site request forgeries. For example: Should a privileged user view a page containing an <img> tag with a specially constructed src pointing to a remove items URL, the items would be removed.

The Drupal Project reports:

When outputting plaintext Drupal strips potentially dangerous HTML tags and attributes from HTML, and escapes characters which have a special meaning in HTML. This output filtering secures the site against cross site scripting attacks via user input.

Certain byte sequences that are invalid in the UTF8 specification are not handled properly by Internet Explorer 6 and may lead it to see a multibyte start character where none is present. Internet Explorer 6 then consumes a number of subsequent UTF-8 characters. This may lead to unsafe attributes that were outside a tag for the filter to appear inside a tag for Internet Explorer 6. This behaviour can then be used to insert and execute javascript in the context of the website.

The Drupal Project reports:

When theme .tpl.php files are accessible via the web and the PHP setting register_globals is set to enabled, anonymous users are able to execute cross site scripting attacks via specially crafted links.

Drupal's .htaccess attempts to set register_globals to disabled and also prevents access to .tpl.php files. Only when both these measures are not effective and your PHP interpreter is configured with register_globals set to enabled, will this issue affect you.

Secunia reports:

A vulnerability has been reported in MaraDNS, which can be exploited by malicious people to cause a Denial of Service.

The vulnerability is caused due to an error within the handling of certain DNS packets. This can be exploited to cause a resource rotation by sending specially crafted DNS packets, which cause an authoritative CNAME record to not resolve, resulting in a Denial of Sevices.

Secunia reports:

Multiple vulnerabilities have been reported in RealPlayer/RealOne/HelixPlayer, which can be exploited by malicious people to compromise a user's system.

An input validation error when processing .RA/.RAM files can be exploited to cause a heap corruption via a specially crafted .RA/.RAM file with an overly large size field in the header.

An error in the processing of .PLS files can be exploited to cause a memory corruption and execute arbitrary code via a specially crafted .PLS file.

An input validation error when parsing .SWF files can be exploited to cause a buffer overflow via a specially crafted .SWF file with malformed record headers.

A boundary error when processing rm files can be exploited to cause a buffer overflow.

Adobe Security bulletin:

Critical vulnerabilities have been identified in Adobe Flash Player that could allow an attacker who successfully exploits these potential vulnerabilities to take control of the affected system. A malicious SWF must be loaded in Flash Player by the user for an attacker to exploit these potential vulnerabilities. Users are recommended to update to the most current version of Flash Player available for their platform.

Dovecot reports:

If two users with the same password and same pass_filter variables log in within auth_cache_ttl seconds (1h by default), the second user may get logged in with the first user's cached pass_attrs. For example if pass_attrs contained the user's home/mail directory, this would mean that the second user will be accessing the first user's mails.

The Gallery team reports:

Gallery 2.2.4 addresses the following security vulnerabilities:

• Publish XP module - Fixed unauthorized album creation and file uploads.
• URL rewrite module - Fixed local file inclusion vulnerability in unsecured admin controller and information disclosure in hotlink protection.
• Core / add-item modules - Fixed Cross Site Scripting (XSS) vulnerabilities through malicious file names.
• Installation (Gallery application) - Update web-accessibility protection of the storage folder for Apache 2.2.
• Core (Gallery application) / MIME module - Fixed vulnerability in checks for disallowed file extensions in file uploads.
• Gallery Remote module - Added missing permissions checks for some GR commands.
• WebDAV module - Fixed Cross Site Scripting (XSS) vulnerability through HTTP PROPPATCH.
• WebDAV module - Fixed information (item data) disclosure in a WebDAV view.
• Comment module - Fixed information (item data) disclosure in comment views.
• Core module (Gallery application) - Improved resilience against item information disclosure attacks.
• Slideshow module - Fixed information (item data) disclosure in the slideshow.
• Print modules - Fixed information (item data) disclosure in several print modules.
• Core / print modules - Fixed arbitrary URL redirection (phishing attacks) in the core module and several print modules.
• WebCam module - Fixed proxied request weakness.

Theodore Y. Ts'o reports:

Fix a potential security vulnerability where an untrusted filesystem can be corrupted in such a way that a program using libext2fs will allocate a buffer which is far too small. This can lead to either a crash or potentially a heap-based buffer overflow crash. No known exploits exist, but main concern is where an untrusted user who possesses privileged access in a guest Xen environment could corrupt a filesystem which is then accessed by thus allowing the untrusted user to gain privileged access in the host OS. Thanks to the McAfee AVERT Research group for reporting this issue.

The Wireshark team reports of multiple vulnerabilities:

• Wireshark could crash when reading an MP3 file.
• Beyond Security discovered that Wireshark could loop excessively while reading a malformed DNP packet.
• Stefan Esser discovered a buffer overflow in the SSL dissector.
• The ANSI MAP dissector could be susceptible to a buffer overflow on some platforms.
• The Firebird/Interbase dissector could go into an infinite loop or crash.
• The NCP dissector could cause a crash.
• The HTTP dissector could crash on some systems while decoding chunked messages.
• The MEGACO dissector could enter a large loop and consume system resources.
• The DCP ETSI dissector could enter a large loop and consume system resources.
• Fabiodds discovered a buffer overflow in the iSeries (OS/400) Communication trace file parser.
• The PPP dissector could overflow a buffer.
• The Bluetooth SDP dissector could go into an infinite loop.
• A malformed RPC Portmap packet could cause a crash.
• The IPv6 dissector could loop excessively.
• The USB dissector could loop excessively or crash.
• The SMB dissector could crash.
• The RPL dissector could go into an infinite loop.
• The WiMAX dissector could crash due to unaligned access on some platforms.
• The CIP dissector could attempt to allocate a huge amount of memory and crash.

Impact

It may be possible to make Wireshark or Ethereal crash or use up available memory by injecting a purposefully malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Opera Software ASA reports about multiple security fixes:

• Fixed an issue where plug-ins could be used to allow cross domain scripting, as reported by David Bloom. Details will be disclosed at a later date.
• Fixed an issue with TLS certificates that could be used to execute arbitrary code, as reported by Alexander Klink (Cynops GmbH). Details will be disclosed at a later date.
• Rich text editing can no longer be used to allow cross domain scripting, as reported by David Bloom. See our advisory.
• Prevented bitmaps from revealing random data from memory, as reported by Gynvael Coldwind. Details will be disclosed at a later date.

Luigi Auriemma reports that peercast is vulnerable to a buffer overflow which could lead to a DoS or potentially remote code execution:

The handshakeHTTP function which handles all the requests received by the other clients is vulnerable to a heap overflow which allows an attacker to fill the loginPassword and loginMount buffers located in the Servent class with how much data he wants.

The Ganglia project reports:

The Ganglia development team is pleased to release Ganglia 3.0.6 (Foss) which is available[...]. This release includes a security fix for web frontend cross-scripting vulnerability.

SecurityFocus reports:

QEMU is prone to a local denial-of-service vulnerability because it fails to perform adequate boundary checks when handling user-supplied input.

Attackers can exploit this issue to cause denial-of-service conditions. Given the nature of the issue, attackers may also be able to execute arbitrary code, but this has not been confirmed.

The Drupal Project reports:

The function taxonomy_select_nodes() directly injects variables into SQL queries instead of using placeholders. While taxonomy module itself validates the input passed to taxonomy_select_nodes(), this is a weakness in Drupal core. Several contributed modules, such as taxonomy_menu, ajaxLoader, and ubrowser, directly pass user input to taxonomy_select_nodes(), enabling SQL injection attacks by anonymous users.

Secuna Research reports:

Secunia Research has discovered a vulnerability in Samba, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to a boundary error within the "send_mailslot()" function. This can be exploited to cause a stack-based buffer overflow with zero bytes via a specially crafted "SAMLOGON" domain logon packet containing a username string placed at an odd offset followed by an overly long GETDC string. Successful exploitation allows execution of arbitrary code, but requires that the "domain logons" option is enabled.

Secunia reports:

Format string vulnerability in the SMBDirList function in dirlist.c in SmbFTPD 0.96 allows remote attackers to execute arbitrary code via format string specifiers in a directory name.

Cross-site scripting (XSS) vulnerability in Dump Servlet in Mortbay Jetty before 6.1.6rc1 allows remote attackers to inject arbitrary web script or HTML via unspecified parameters and cookies.

Mortbay Jetty before 6.1.6rc1 does not properly handle "certain quote sequences" in HTML cookie parameters, which allows remote attackers to hijack browser sessions via unspecified vectors.

CRLF injection vulnerability in Mortbay Jetty before 6.1.6rc0 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

The live555 development team reports:

Fixed a bounds-checking error in "parseRTSPRequestString()" caused by an int vs. unsigned problem.

The function which handles the incoming queries from the clients is affected by a vulnerability which allows an attacker to crash the server remotely using the smallest RTSP query possible to use.

GNU security announcement:

GNU Finger unfortunately has not been updated in many years, and has known security vulnerabilities. Please do not use it in production environments.

Squid secuirty advisory reports:

Due to incorrect bounds checking Squid is vulnerable to a denial of service check during some cache update reply processing.

This problem allows any client trusted to use the service to perform a denial of service attack on the Squid service.

Rails core team reports:

The rails core team has released ruby on rails 1.2.6 to address a bug in the fix for session fixation attacks (CVE-2007-5380). The CVE Identifier for this new issue is CVE-2007-6077.

Rails core team reports:

All users of Rails 1.2.4 or earlier are advised to upgrade to 1.2.5, though it isn't strictly necessary if you aren't working with JSON. For more information the JSON vulnerability, see CVE-2007-3227.

The ikiwiki development team reports:

Ikiwiki did not check if path to the srcdir to contained a symlink. If an attacker had commit access to the directories in the path, they could change it to a symlink, causing ikiwiki to read and publish files that were not intended to be published. (But not write to them due to other checks.)

Mozilla Foundation reports:

The Firefox 2.0.0.10 update contains fixes for three bugs that improve the stability of the product. These crashes showed some evidence of memory corruption under certain circumstances and we presume that with enough effort at least some of these could be exploited to run arbitrary code.

phpMyAdmin security announcement:

The login page auth_type cookie was vulnerable to XSS via the convcharset parameter. An attacker could use this to execute malicious code on the visitors computer

The Samba Team reports:

Secunia Research reported a vulnerability that allows for the execution of arbitrary code in nmbd. This defect may only be exploited when the "wins support" parameter has been enabled in smb.conf.

Samba developers have discovered what is believed to be a non-exploitable buffer over in nmbd during the processing of GETDC logon server requests. This code is only used when the Samba server is configured as a Primary or Backup Domain Controller.

PHP project reports:

Security Enhancements and Fixes in PHP 5.2.5:

• Fixed dl() to only accept filenames. Reported by Laurent Gaffie.
• Fixed dl() to limit argument size to MAXPATHLEN (CVE-2007-4887). Reported by Laurent Gaffie.
• Fixed htmlentities/htmlspecialchars not to accept partial multibyte sequences. Reported by Rasmus Lerdorf
• Fixed possible triggering of buffer overflows inside glibc implementations of the fnmatch(), setlocale() and glob() functions. Reported by Laurent Gaffie.
• Fixed "mail.force_extra_parameters" php.ini directive not to be modifiable in .htaccess due to the security implications. Reported by SecurityReason.
• Fixed bug #42869 (automatic session id insertion adds sessions id to non-local forms).
• Fixed bug #41561 (Values set with php_admin_* in httpd.conf can be overwritten with ini_set()).

US-CERT reports:

webserver.c in mt-dappd in Firefly Media Server 0.2.4 and earlier allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via a stats method action to /xml-rpc with (1) an empty Authorization header line, which triggers a crash in the ws_decodepassword function; or (2) a header line without a ':' character, which triggers a crash in the ws_getheaders function.

CVE reports:

The SNMP agent (snmp_agent.c) in net-snmp before 5.4.1 allows remote attackers to cause a denial of service (CPU and memory consumption) via a GETBULK request with a large max-repeaters value.

iDefense Laps reports:

Remote exploitation of multiple integer overflow vulnerabilities in libFLAC, as included with various vendor's software distributions, allows attackers to execute arbitrary code in the context of the currently logged in user.

These vulnerabilities specifically exist in the handling of malformed FLAC media files. In each case, an integer overflow can occur while calculating the amount of memory to allocate. As such, insufficient memory is allocated for the data that is subsequently read in from the file, and a heap based buffer overflow occurs.

Secunia Research reports:

Secunia Research has discovered some vulnerabilities in Xpdf, which can be exploited by malicious people to compromise a user's system.

• An array indexing error within the "DCTStream::readProgressiveDataUnit()" method in xpdf/Stream.cc can be exploited to corrupt memory via a specially crafted PDF file.
• An integer overflow error within the "DCTStream::reset()" method in xpdf/Stream.cc can be exploited to cause a heap-based buffer overflow via a specially crafted PDF file.
• A boundary error within the "CCITTFaxStream::lookChar()" method in xpdf/Stream.cc can be exploited to cause a heap-based buffer overflow by tricking a user into opening a PDF file containing a specially crafted "CCITTFaxDecode" filter.

Successful exploitation may allow execution of arbitrary code.

Plone projectreports:

This hotfix corrects a vulnerability in the statusmessages and linkintegrity modules, where unsafe network data was interpreted as python pickles. This allows an attacker to run arbitrary python code within the Zope/Plone process.

The DigiTrust Group reports:

When creating a new database, a malicious user can use a client-side Web proxy to place malicious code in the db parameter of the POST request. Since db_create.php does not properly sanitize user-supplied input, an administrator could face a persistent XSS attack when the database names are displayed.

Gallery project reports:

Gallery 2.2.3 addresses the following security vulnerabilities:

• Unauthorized renaming of items possible with WebDAV (reported by Merrick Manalastas)
• Unauthorized modification and retrieval of item properties possible with WebDAV
• Unauthorized locking and replacing of items possible with WebDAV
• Unauthorized editing of data file possible via linked items with Reupload and WebDAV (reported by Nicklous Roberts)

A Secunia reports:

Some vulnerabilities have been reported in TikiWiki, which can be exploited by malicious people to conduct cross-site scripting and script insertion attacks and disclose potentially sensitive information.

Input passed to the username parameter in tiki-remind_password.php (when remind is set to send me my password) is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code (for example with meta refreshes to a javascript: URL) in a user's browser session in context of an affected site.

Input passed to the local_php and error_handler parameters in tiki-index.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources.

Input passed to the imp_language parameter in tiki-imexport_languages.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources.

Certain img src elements are not properly santised before being used. This can be exploited to insert arbitrary HTML and script code, which is executed in a user's browser session in context of an affected site when the malicious data is viewed.

Secunia reports:

Secunia Research has discovered a vulnerability in CUPS, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the "ippReadIO()" function in cups/ipp.c when processing IPP (Internet Printing Protocol) tags. This can be exploited to overwrite one byte on the stack with a zero by sending an IPP request containing specially crafted "textWithLanguage" or "nameWithLanguage" tags.

Successful exploitation allows execution of arbitrary code.

Red Hat reports:

A flaw was found in Perl's regular expression engine. Specially crafted input to a regular expression can cause Perl to improperly allocate memory, possibly resulting in arbitrary code running with the permissions of the user running Perl.

Debian project reports:

Tavis Ormandy of the Google Security Team has discovered several security issues in PCRE, the Perl-Compatible Regular Expression library, which potentially allow attackers to execute arbitrary code by compiling specially crafted regular expressions.

SEC-Consult reports:

Perdition IMAP is affected by a format string bug in one of its IMAP output-string formatting functions. The bug allows the execution of arbitrary code on the affected server. A successful exploit does not require prior authentication.

Gentoo reports:

Kalle Olavi Niemitalo discovered two boundary errors in fsplib code included in gFTP when processing overly long directory or file names.

A remote attacker could trigger these vulnerabilities by enticing a user to download a file with a specially crafted directory or file name, possibly resulting in the execution of arbitrary code or a Denial of Service.

Securiweb reports:

dircproxy allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.

A Secunia Advisory report:

Input passed to the "posts_columns" parameter in wp-admin/edit-post-rows.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

BugTraq reports:

OpenLDAP is prone to multiple remote denial-of-service vulnerabilities because of an incorrect NULL-termination issue and a double-free issue.

Django project reports:

A per-process cache used by Django's internationalization ("i18n") system to store the results of translation lookups for particular values of the HTTP Accept-Language header used the full value of that header as a key. An attacker could take advantage of this by sending repeated requests with extremely large strings in the Accept-Language header, potentially causing a denial of service by filling available memory.

Due to limitations imposed by Web server software on the size of HTTP header fields, combined with reasonable limits on the number of requests which may be handled by a single server process over its lifetime, this vulnerability may be difficult to exploit. Additionally, it is only present when the "USE_I18N" setting in Django is "True" and the i18n middleware component is enabled*. Nonetheless, all users of affected versions of Django are encouraged to update.

An advisory from Opera reports:

If a user has configured Opera to use an external newsgroup client or e-mail application, specially crafted Web pages can cause Opera to run that application incorrectly. In some cases this can lead to execution of arbitrary code.

When accesing frames from different Web sites, specially crafted scripts can bypass the same-origin policy, and overwrite functions from those frames. If scripts on the page then run those functions, this can cause the script of the attacker's choice to run in the context of the target Web site.

The Drupal Project reports:

In some circumstances Drupal allows user-supplied data to become part of response headers. As this user-supplied data is not always properly escaped, this can be exploited by malicious users to execute HTTP response splitting attacks which may lead to a variety of issues, among them cache poisoning, cross-user defacement and injection of arbitrary code.

The Drupal installer allows any visitor to provide credentials for a database when the site's own database is not reachable. This allows attackers to run arbitrary code on the site's server. An immediate workaround is the removal of the file install.php in the Drupal root directory.

The allowed extension list of the core Upload module contains the extension HTML by default. Such files can be used to execute arbitrary script code in the context of the affected site when a user views the file. Revoking upload permissions or removing the .html extension from the allowed extension list will stop uploads of malicious files. but will do nothing to protect your site againstfiles that are already present. Carefully inspect the file system path for any HTML files. We recommend you remove any HTML file you did not update yourself. You should look for , CSS includes, Javascript includes, and onerror="" attributes if you need to review files individually.

The Drupal Forms API protects against cross site request forgeries (CSRF), where a malicous site can cause a user to unintentionally submit a form to a site where he is authenticated. The user deletion form does not follow the standard Forms API submission model and is therefore not protected against this type of attack. A CSRF attack may result in the deletion of users.

The publication status of comments is not passed during the hook_comments API operation, causing various modules that rely on the publication status (such as Organic groups, or Subscriptions) to mail out unpublished comments.

Ganael Laplanche reports:

Up to now, each ldap* command was called with the -w parameter, which allows to specify the bind password on the command line. Unfortunately, this could make the password appear to anybody performing a `ps` during the call. This is now avoided by using the -y parameter and a password file.

RedHat reports:

Several flaws were found in the way in which Firefox displayed malformed web content. A web page containing specially-crafted content could potentially trick a user into surrendering sensitive information. (CVE-2007-1095, CVE-2007-3844, CVE-2007-3511, CVE-2007-5334)

The DigiTrust Group discovered serious XSS vulnerability in the phpMyAdmin server_status.php script. According to their report

vulnerability can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

SecurityFocus reports:

phpMyAdmin is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal potentially sensitive information and launch other attacks.

A Secunia Advisory reports:

The vulnerability is caused due to a boundary error within the redir() function in check_http.c when processing HTTP Location: header information. This can be exploited to cause a buffer overflow by returning an overly long string in the "Location:" header to a vulnerable system.

A Secunia Advisory reports:

Some vulnerabilities have been reported in libpng, which can be exploited by malicious people to cause a DoS (Denial of Service).

Certain errors within libpng, including a logical NOT instead of a bitwise NOT in pngtrtran.c, an error in the 16bit cheap transparency extension, and an incorrect use of sizeof() may be exploited to crash an application using the library.

Various out-of-bounds read errors exist within the functions png_handle_pCAL(), png_handle_sCAL(), png_push_read_tEXt(), png_handle_iTXt(), and png_handle_ztXt(), which may be exploited by exploited to crash an application using the library.

The vulnerability is caused due to an off-by-one error within the ICC profile chunk handling, which potentially can be exploited to crash an application using the library.

Multiple vulnerabilities have been discovered in ImageMagick.

ImageMagick before 6.3.5-9 allows context-dependent attackers to cause a denial of service via a crafted image file that triggers (1) an infinite loop in the ReadDCMImage function, related to ReadBlobByte function calls; or (2) an infinite loop in the ReadXCFImage function, related to ReadBlobMSBLong function calls.

Multiple integer overflows in ImageMagick before 6.3.5-9 allow context-dependent attackers to execute arbitrary code via a crafted (1) .dcm, (2) .dib, (3) .xbm, (4) .xcf, or (5) .xwd image file, which triggers a heap-based buffer overflow.

Off-by-one error in the ReadBlobString function in blob.c in ImageMagick before 6.3.5-9 allows context-dependent attackers to execute arbitrary code via a crafted image file, which triggers the writing of a '\0' character to an out-of-bounds address.

Sign extension error in the ReadDIBImage function in ImageMagick before 6.3.5-9 allows context-dependent attackers to execute arbitrary code via a crafted width value in an image file, which triggers an integer overflow and a heap-based buffer overflow.

SUN reports:

A vulnerability in the Java Runtime Environment (JRE) with applet caching may allow an untrusted applet that is downloaded from a malicious website to make network connections to network services on machines other than the one that the applet was downloaded from. This may allow network resources (such as web pages) and vulnerabilities (that exist on these network services) which are not otherwise normally accessible to be accessed or exploited.

Matthieu Herrb reports:

Problem Description:

Several vulnerabilities have been identified in xfs, the X font server. The QueryXBitmaps and QueryXExtents protocol requests suffer from lack of validation of their 'length' parameters.

Impact:

On most modern systems, the font server is accessible only for local clients and runs with reduced privileges, but on some systems it may still be accessible from remote clients and possibly running with root privileges, creating an opportunity for remote privilege escalation.

A Buffer overflow in the ReadImage function in generic/tkImgGIF.c in Tcl/Tk, allows remote attackers to execute arbitrary code via multi-frame interlaced GIF files in which later frames are smaller than the first.

RISE Security reports:

There exists multiple vulnerabilities within functions of Firebird Relational Database, which when properly exploited can lead to remote compromise of the vulnerable system.

Debian Bug report log reports:

When tagging file $foo, a temporary copy of the file is created, and for some reason, libid3 doesn't use mkstemp but just creates $foo.XXXXXX literally, without any checking.

This would silently truncate and overwrite an existing $foo.XXXXXX.

The MediaWiki development team reports:

A possible HTML/XSS injection vector in the API pretty-printing mode has been found and fixed.

The vulnerability may be worked around in an unfixed version by simply disabling the API interface if it is not in use, by adding this to LocalSettings.php:

$wgEnableAPI = false;

(This is the default setting in 1.8.x.)

Alexander Concha reports:

While testing WordPress, it has been discovered a SQL Injection vulnerability that allows an attacker to retrieve remotely any user credentials from a vulnerable site, this bug is caused because of early database escaping and the lack of validation in query string like parameters.

The Samba development team reports:

The idmap_ad.so library provides an nss_info extension to Winbind for retrieving a user's home directory path, login shell and primary group id from an Active Directory domain controller. This functionality is enabled by defining the "winbind nss info" smb.conf option to either "sfu" or "rfc2307".

Both the Windows "Identity Management for Unix" and "Services for Unix" MMC plug-ins allow a user to be assigned a primary group for Unix clients that differs from the user's Windows primary group. When the rfc2307 or sfu nss_info plugin has been enabled, in the absence of either the RFC2307 or SFU primary group attribute, Winbind will assign a primary group ID of 0 to the domain user queried using the getpwnam() C library call.

A Bugzilla Security Advisory reports:

This advisory covers three security issues that have recently been fixed in the Bugzilla code:

• A possible cross-site scripting (XSS) vulnerability when filing bugs using the guided form.
• When using email_in.pl, insufficiently escaped data may be passed to sendmail.
• Users using the WebService interface may access Bugzilla's time-tracking fields even if they normally cannot see them.

We strongly advise that 2.20.x and 2.22.x users should upgrade to 2.20.5 and 2.22.3 respectively. 3.0 users, and users of 2.18.x or below, should upgrade to 3.0.1.

BugTraq reports:

ClamAV is prone to multiple denial-of-service vulnerabilities.

A successful attack may allow an attacker to crash the application and deny service to users.

The coppermine development team reports two vulnerabilities with the coppermine application. These vulnerabilities are caused by improper checking of the log variable in "viewlog.php" and improper checking of the referer variable in "mode.php". This could allow local file inclusion, potentially disclosing valuable information and could lead to an attacker conducting a cross site scripting attack against the targeted site.

iDefense reports:

Remote exploitation of multiple integer overflow vulnerabilities within OpenOffice, as included in various vendors' operating system distributions, allows attackers to execute arbitrary code.

These vulnerabilities exist within the TIFF parsing code of the OpenOffice suite. When parsing the TIFF directory entries for certain tags, the parser uses untrusted values from the file to calculate the amount of memory to allocate. By providing specially crafted values, an integer overflow occurs in this calculation. This results in the allocation of a buffer of insufficient size, which in turn leads to a heap overflow.

The Bugzilla development team reports:

Bugzilla::WebService::User::offer_account_by_email does not check the "createemailregexp" parameter, and thus allows users to create accounts who would normally be denied account creation. The "emailregexp" parameter is still checked. If you do not have the SOAP::Lite Perl module installed on your Bugzilla system, your system is not vulnerable (because the Bugzilla WebService will not be enabled).

The KDE development team reports:

The Konqueror address bar is vulnerable to spoofing attacks that are based on embedding white spaces in the url. In addition the address bar could be tricked to show an URL which it is intending to visit for a short amount of time instead of the current URL.

The KDE development team reports:

KDM can be tricked into performing a password-less login even for accounts with a password set under certain circumstances, namely autologin to be configured and "shutdown with password" enabled.

The Flyspray Project reports:

Flyspray authentication system can be bypassed by sending a carefully crafted post request.

To be vulnerable, PHP configuration directive output_buffering has to be disabled or set to a low value.

The Mozilla Foundation reports a vulnerability within the mozilla browser. This vulnerability also affects various other browsers like firefox and seamonkey. The vulnerability is caused by QuickTime Media-Link files that contain a qtnext attribute. This could allow an attacker to start the browser with arbitrary command-line options. This could allow the attacker to install malware, steal local data and possibly execute and/or do other arbitrary things within the users context.

The PHP development team reports:

Security Enhancements and Fixes in PHP 5.2.4:

• Fixed a floating point exception inside wordwrap() (Reported by Mattias Bengtsson)
• Fixed several integer overflows inside the GD extension (Reported by Mattias Bengtsson)
• Fixed size calculation in chunk_split() (Reported by Gerhard Wagner)
• Fixed integer overflow in str[c]spn(). (Reported by Mattias Bengtsson)
• Fixed money_format() not to accept multiple %i or %n tokens. (Reported by Stanislav Malyshev)
• Fixed zend_alter_ini_entry() memory_limit interruption vulnerability. (Reported by Stefan Esser)
• Fixed INFILE LOCAL option handling with MySQL extensions not to be allowed when open_basedir or safe_mode is active. (Reported by Mattias Bengtsson)
• Fixed session.save_path and error_log values to be checked against open_basedir and safe_mode (CVE-2007-3378) (Reported by Maksymilian Arciemowicz)
• Fixed a possible invalid read in glob() win32 implementation (CVE-2007-3806) (Reported by shinnai)
• Fixed a possible buffer overflow in php_openssl_make_REQ (Reported by zatanzlatan at hotbrev dot com)
• Fixed an open_basedir bypass inside glob() function (Reported by dr at peytz dot dk)
• Fixed a possible open_basedir bypass inside session extension when the session file is a symlink (Reported by c dot i dot morris at durham dot ac dot uk)
• Improved fix for MOPB-03-2007.
• Corrected fix for CVE-2007-2872.

Apache HTTP server project reports:

The following potential security flaws are addressed:

• CVE-2007-3847: mod_proxy: Prevent reading past the end of a buffer when parsing date-related headers.
• CVE-2007-1863: mod_cache: Prevent a segmentation fault if attributes are listed in a Cache-Control header without any value.
• CVE-2007-3304: prefork, worker, event MPMs: Ensure that the parent process cannot be forced to kill processes outside its process group.
• CVE-2006-5752: mod_status: Fix a possible XSS attack against a site with a public server-status page and ExtendedStatus enabled, for browsers which perform charset "detection". Reported by Stefan Esser.
• CVE-2006-1862: mod_mem_cache: Copy headers into longer lived storage; header names and values could previously point to cleaned up storage.

lighttpd maintainer reports:

Lighttpd is prone to a header overflow when using the mod_fastcgi extension, this can lead to arbitrary code execution in the fastcgi application. For a detailed description of the bug see the external reference.

This bug was found by Mattias Bengtsson and Philip Olausson

Gentoo reports:

Sune Kloppenborg Jeppesen and Tavis Ormandy of the Gentoo Linux Security Team have reported that the check_update.sh script and the main rkhunter script insecurely creates several temporary files with predictable filenames.

A local attacker could create symbolic links in the temporary files directory, pointing to a valid file somewhere on the filesystem. When rkhunter or the check_update.sh script runs, this would result in the file being overwritten with the rights of the user running the utility, which could be the root user.

Secunia reports:

A vulnerability has been reported in LSH, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).

Matthias Andree reports:

fetchmail will generate warning messages in certain circumstances (for instance, when leaving oversized messages on the server or login to the upstream fails) and send them to the local postmaster or the user running it.

If this warning message is then refused by the SMTP listener that fetchmail is forwarding the message to, fetchmail crashes and does not collect further messages until it is restarted.

Red Hat reports:

A path traversal flaw was discovered in the way GNU tar extracted archives. A malicious user could create a tar archive that could write to arbitrary files to which the user running GNU tar had write access.

Red Hat credits Dmitry V. Levin for reporting the issue.

A Secunia Advisory reports:

A format string error in the "inc_put_error()" function in src/inc.c when displaying a POP3 server's error response can be exploited via specially crafted POP3 server replies containing format specifiers.

Successful exploitation may allow execution of arbitrary code, but requires that the user is tricked into connecting to a malicious POP3 server.

BugTraq reports:

The rsync utility is prone to an off-by-one buffer-overflow vulnerability. This issue is due to a failure of the application to properly bounds-check user-supplied input.

Successfully exploiting this issue may allow arbitrary code-execution in the context of the affected utility.

An advisory from Opera reports:

A specially crafted JavaScript can make Opera execute arbitrary code.

A Secunia Advisory reports:

fsplib can be exploited to compromise an application using the library.

A boundary error exists in the processing of file names in fsp_readdir_native, which can be exploited to cause a stack-based buffer overflow if the defined MAXNAMLEN is bigger than 256.

A boundary error exists in the processing of directory entries in fsp_readdir, which can be exploited to cause a stack-based buffer overflow on systems with an insufficient size allocated for the d_name field of directory entries.

A Secunia Advisory reports:

joomla can be exploited to conduct session fixation attacks, cross-site scripting attacks or HTTP response splitting attacks.

Certain unspecified input passed in com_search, com_content and mod_login is not properly sanitised before being returned to a user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

Input passed to the url parameter is not properly sanitised before being returned to the user. This can be exploited to insert arbitrary HTTP headers, which will be included in a response sent to the user, allowing for execution of arbitrary HTML and script code in a user's browser session in context of an affected site.

An error exists in the handling of sessions and can be exploited to hijack another user's session by tricking the user into logging in after following a specially crafted link.

Problem Description:

An un-checked return value in the BGP dissector code can result in an integer overflow. This value is used in subsequent buffer management operations, resulting in a stack based buffer overflow under certain circumstances.

Impact:

By crafting malicious BGP packets, an attacker could exploit this vulnerability to execute code or crash the tcpdump process on the target system. This code would be executed in the context of the user running tcpdump(1). It should be noted that tcpdump(1) requires privileges in order to open live network interfaces.

Workaround:

No workaround is available.

Problem Description:

When named(8) is operating as a recursive DNS server or sending NOTIFY requests to slave DNS servers, named(8) uses a predictable query id.

Impact:

An attacker who can see the query id for some request(s) sent by named(8) is likely to be able to perform DNS cache poisoning by predicting the query id for other request(s).

Workaround:

No workaround is available.

The KDE Team reports:

kpdf, the KDE pdf viewer, shares code with xpdf. xpdf contains a vulnerability that can cause a stack based buffer overflow via a PDF file that exploits an integer overflow in StreamPredictor::StreamPredictor(). Remotely supplied pdf files can be used to disrupt the kpdf viewer on the client machine and possibly execute arbitrary code.

Securityfocus reports:

Mutt is prone to a local buffer-overflow vulnerability because it fails to properly bounds-check user-supplied input before using it in a memory copy operation. An attacker can exploit this issue to execute arbitrary code with the with the privileges of the victim. Failed exploit attempts will result in a denial of service.

A Secunia Advisory reports:

An error exists in the handling of DNS queries where IDs are incremented with a fixed value and are additionally used for child processes in a forking server. This can be exploited to poison the DNS cache of an application using the module if a valid ID is guessed.

An error in the PP implementation within the "dn_expand()" function can be exploited to cause a stack overflow due to an endless loop via a specially crafted DNS packet.

Doz reports:

A Input passed in the URL to index.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

The Drupal Project reports:

Several parts in Drupal core are not protected against cross site request forgeries due to inproper use of the Forms API, or by taking action solely on GET requests. Malicious users are able to delete comments and content revisions and disable menu items by enticing a privileged users to visit certain URLs while the victim is logged-in to the targeted site.

The Drupal Project reports:

Some server variables are not escaped consistently. When a malicious user is able to entice a victim to visit a specially crafted link or webpage, arbitrary HTML and script code can be injected and executed in the context of the victim's session on the targeted website.

Custom content type names are not escaped consistently. A malicious user with the 'administer content types' permission would be able to inject and execute arbitrary HTML and script code on the website. Revoking the 'administer content types' permission provides an immediate workaround.

A Secunia Advisory reports:

A format string error in the "helptags_one()" function in src/ex_cmds.c when running the "helptags" command can be exploited to execute arbitrary code via specially crafted help files.

isecpartners reports:

libvorbis contains several vulnerabilities allowing heap overwrite, read violations and a function pointer overwrite. These bugs cause a at least a denial of service, and potentially code execution.

The Apache Project reports:

The JSP and Servlet included in the sample application within the Tomcat documentation webapp did not escape user provided data before including it in the output. This enabled a XSS attack. These pages have been simplified not to use any user provided data in the output.

Apache Project reports:

The Apache Tomcat team is proud to announce the immediate availability of Tomcat 4.1.36 stable. This build contains numerous library updates, A small number of bug fixes and two important security fixes.

DokuWiki reports:

The spellchecker tests the UTF-8 capabilities of the used browser by sending an UTF-8 string to the backend, which will send it back unfiltered. By comparing string length the spellchecker can work around broken implementations. An attacker could construct a form to let users send JavaScript to the spellchecker backend, resulting in malicious JavaScript being executed in their browser.

Affected are all versions up to and including 2007-06-26 even when the spell checker is disabled.

Secunia Advisory reports:

Some vulnerabilities have been reported in lighttpd, which can be exploited by malicious people to bypass certain security restrictions or cause a DoS (Denial of Service).

Opera Software ASA reports of multiple security fixes in Opera, including an arbitrary code execute vulnerability:

Opera for Linux, FreeBSD, and Solaris has a flaw in the createPattern function that leaves old data that was in the memory before Opera allocated it in the new pattern. The pattern can be read and analyzed by JavaScript, so an attacker can get random samples of the user's memory, which may contain data.

Removing a specially crafted torrent from the download manager can crash Opera. The crash is caused by an erroneous memory access.

An attacker needs to entice the user to accept the malicious BitTorrent download, and later remove it from Opera's download manager. To inject code, additional means will have to be employed.

Users clicking a BitTorrent link and rejecting the download are not affected.

data: URLs embed data inside them, instead of linking to an external resource. Opera can mistakenly display the end of a data URL instead of the beginning. This allows an attacker to spoof the URL of a trusted site.

Opera's HTTP authentication dialog is displayed when the user enters a Web page that requires a login name and a password. To inform the user which server it was that asked for login credentials, the dialog displays the server name.

The user has to see the entire server name. A truncated name can be misleading. Opera's authentication dialog cuts off the long server names at the right hand side, adding an ellipsis (...) to indicate that it has been cut off.

The dialog has a predictable size, allowing an attacker to create a server name which will look almost like a trusted site, because the real domain name has been cut off. The three dots at the end will not be obvious to all users.

This flaw can be exploited by phishers who can set up custom sub-domains, for example by hosting their own public DNS.

The Mozilla Foundation reports of multiple security issues in Firefox, Seamonkey, and Thunderbird. Several of these issues can probably be used to run arbitrary code with the privilege of the user running the program.

• MFSA 2007-25 XPCNativeWrapper pollution
• MFSA 2007-24 Unauthorized access to wyciwyg:// documents
• MFSA 2007-21 Privilege escalation using an event handler attached to an element not in the document
• MFSA 2007-20 Frame spoofing while window is loading
• MFSA 2007-19 XSS using addEventListener and setTimeout
• MFSA 2007-18 Crashes with evidence of memory corruption

Adobe reports:

Critical vulnerabilities have been identified in Adobe Flash Player that could allow an attacker who successfully exploits these potential vulnerabilities to take control of the affected system. A malicious SWF must be loaded in Flash Player by the user for an attacker to exploit these potential vulnerabilities.

wireshark Team reports:

It may be possible to make Wireshark or Ethereal crash or use up available memory by injecting a purposefully malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Debian reports:

Ulf Härnhammar from the Debian Security Audit Project discovered a problem in typespeed, a touch-typist trainer disguised as game. This could lead to a local attacker executing arbitrary code.

isecpartners reports:

VLC is vulnerable to a format string attack in the parsing of Vorbis comments in Ogg Vorbis and Ogg Theora files, CDDA data or SAP/SDP service discovery messages. Additionally, there are two errors in the handling of wav files, one a denial of service due to an uninitialized variable, and one integer overflow in sampling frequency calculations.

isecpartners reports:

flac123, also known as flac-tools, is vulnerable to a buffer overflow in vorbis comment parsing. This allows for the execution of arbitrary code.

gd had been reported vulnerable to several vulnerabilities:

• CVE-2007-3472: Integer overflow in gdImageCreateTrueColor function in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers has unspecified attack vectors and impact.
• CVE-2007-3473: The gdImageCreateXbm function in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash) via unspecified vectors involving a gdImageCreate failure.
• CVE-2007-3474: Multiple unspecified vulnerabilities in the GIF reader in the GD Graphics Library (libgd) before 2.0.35 allow user-assisted remote attackers to have unspecified attack vectors and impact.
• CVE-2007-3475: The GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash) via a GIF image that has no global color map.
• CVE-2007-3476: Array index error in gd_gif_in.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash and heap corruption) via large color index values in crafted image data, which results in a segmentation fault.
• CVE-2007-3477: The (a) imagearc and (b) imagefilledarc functions in GD Graphics Library (libgd) before 2.0.35 allows attackers to cause a denial of service (CPU consumption) via a large (1) start or (2) end angle degree value.
• CVE-2007-3478: Race condition in gdImageStringFTEx (gdft_draw_bitmap) in gdft.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash) via unspecified vectors, possibly involving truetype font (TTF) support.

Debian project reports:

It was discovered that the IMAP code in the Evolution Data Server performs insufficient sanitising of a value later used an array index, which can lead to the execution of arbitrary code.

Debian Project reports:

Erik Sjolund discovered a buffer overflow in pcdsvgaview, an SVGA PhotoCD viewer. xpcd-svga is part of xpcd and uses svgalib to display graphics on the Linux console for which root permissions are required. A malicious user could overflow a fixed-size buffer and may cause the program to execute arbitrary code with elevated privileges.

Clamav had been found vulnerable to multiple vulnerabilities:

• Improper checking for the end of an buffer causing an unspecified attack vector.
• Insecure temporary file handling, which could be exploited to read sensitive information.
• A flaw in the parser engine which could allow a remote attacker to bypass the scanning of RAR files.
• A flaw in libclamav/unrar.c which could cause a remote Denial of Service (DoS) by sending a specially crafted RAR file with a modified vm_codesize.
• A flaw in the OLE2 parser which could cause a remote Denial of Service (DoS).

SpamAssassin website reports:

A local user symlink-attack DoS vulnerability in SpamAssassin has been found, affecting versions 3.1.x, 3.2.0, and SVN trunk.

Secunia reports:

CUPS is not using multiple workers to handle connections. This can be exploited to stop CUPS from accepting new connections by starting but never completing an SSL negotiation.

secunia reports:

The vulnerability is caused due to predictable DNS "Transaction ID" field in DNS queries and can be exploited to poison the DNS cache of an application using the library if a valid ID is guessed.

Secunia reports:

Slappter has discovered a vulnerability in WordPress, which can be exploited by malicious users to conduct SQL injection attacks.

Input passed to the "wp.suggestCategories" method in xmlrpc.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation allows e.g. retrieving usernames and password hashes, but requires valid user credentials and knowledge of the database table prefix.

Blogsecurity reports:

An attacker can read comments on posts that have not been moderated. This can be a real security risk if blog admins are using unmoderated comments (comments that have not been made public) to hide sensitive notes regarding posts, future work, passwords etc. So please be careful if you are one of these blog admins.

Secunia reports:

Input passed to unspecified parameters in pam_login.cgi is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

Mplayer Team reports:

A stack overflow was found in the code used to handle cddb queries. When copying the album title and category, no checking was performed on the size of the strings before storing them in a fixed-size array. A malicious entry in the database could trigger a stack overflow in the program, leading to arbitrary code execution with the uid of the user running MPlayer.

Kazu Nambo reports:

URL decoding the the Apache webserver prior to decoding in the Tomcat server could pypass access control rules and give access to pages on a different AJP by sending a crafted URL.

Olivier Dobberkau, Andreas Otto, and Thorsten Kahler report:

An unspecified error in the internal form engine can be used for sending arbitrary mail headers, using it for purposes which it is not meant for, e.g. sending spam messages.

SecurityFocus reports about phppgadmin:

Exploiting this vulnerability may allow an attacker to perform cross-site scripting attacks on unsuspecting users in the context of the affected website. As a result, the attacker may be able to steal cookie-based authentication credentials and to launch other attacks.

James Youngman reports:

When GNU locate reads filenames from an old-format locate database, they are read into a fixed-length buffer allocated on the heap. Filenames longer than the 1026-byte buffer can cause a buffer overrun. The overrunning data can be chosen by any person able to control the names of filenames created on the local system. This will normally include all local users, but in many cases also remote users (for example in the case of FTP servers allowing uploads).

Integer signedness error in truetype/ttgload.c in Freetype 2.3.4 and earlier might allow remote attackers to execute arbitrary code via a crafted TTF image with a negative n_points value, which leads to an integer overflow and heap-based buffer overflow.

Problem Description:

When writing data into a buffer in the file_printf function, the length of the unused portion of the buffer is not correctly tracked, resulting in a buffer overflow when processing certain files.

Impact:

An attacker who can cause file(1) to be run on a maliciously constructed input can cause file(1) to crash. It may be possible for such an attacker to execute arbitrary code with the privileges of the user running file(1).

The above also applies to any other applications using the libmagic(3) library.

Workaround:

No workaround is available, but systems where file(1) and other libmagic(3)-using applications are never run on untrusted input are not vulnerable.

The SquirrelMail developers report:

Multiple cross-site scripting (XSS) vulnerabilities in the HTML filter in SquirrelMail 1.4.0 through 1.4.9a allow remote attackers to inject arbitrary web script or HTML via the (1) data: URI in an HTML e-mail attachment or (2) various non-ASCII character sets that are not properly filtered when viewed with Microsoft Internet Explorer.

A Libpng Security Advisory reports:

A grayscale PNG image with a malformed (bad CRC) tRNS chunk will crash some libpng applications.

This vulnerability could be used to crash a browser when a user tries to view such a malformed PNG file. It is not known whether the vulnerability could be exploited otherwise.

The Samba Team reports:

A bug in the local SID/Name translation routines may potentially result in a user being able to issue SMB/CIFS protocol operations as root.

When translating SIDs to/from names using Samba local list of user and group accounts, a logic error in the smbd daemon's internal security stack may result in a transition to the root user id rather than the non-root user. The user is then able to temporarily issue SMB/CIFS protocol operations as the root user. This window of opportunity may allow the attacker to establish additional means of gaining root access to the server.

Various bugs in Samba's NDR parsing can allow a user to send specially crafted MS-RPC requests that will overwrite the heap space with user defined data.

Unescaped user input parameters are passed as arguments to /bin/sh allowing for remote command execution.

This bug was originally reported against the anonymous calls to the SamrChangePassword() MS-RPC function in combination with the "username map script" smb.conf option (which is not enabled by default).

After further investigation by Samba developers, it was determined that the problem was much broader and impacts remote printer and file share management as well. The root cause is passing unfiltered user input provided via MS-RPC calls to /bin/sh when invoking externals scripts defined in smb.conf. However, unlike the "username map script" vulnerability, the remote file and printer management scripts require an authenticated user session.

The PHP development team reports:

Security Enhancements and Fixes in PHP 5.2.2 and PHP 4.4.7:

• Fixed CVE-2007-1001, GD wbmp used with invalid image size
• Fixed asciiz byte truncation inside mail()
• Fixed a bug in mb_parse_str() that can be used to activate register_globals
• Fixed unallocated memory access/double free in in array_user_key_compare()
• Fixed a double free inside session_regenerate_id()
• Added missing open_basedir & safe_mode checks to zip:// and bzip:// wrappers.
• Limit nesting level of input variables with max_input_nesting_level as fix for.
• Fixed CRLF injection inside ftp_putcmd().
• Fixed a possible super-global overwrite inside import_request_variables().
• Fixed a remotely trigger-able buffer overflow inside bundled libxmlrpc library.

Security Enhancements and Fixes in PHP 5.2.2 only:

• Fixed a header injection via Subject and To parameters to the mail() function
• Fixed wrong length calculation in unserialize S type.
• Fixed substr_compare and substr_count information leak.
• Fixed a remotely trigger-able buffer overflow inside make_http_soap_request().
• Fixed a buffer overflow inside user_filter_factory_create().

Security Enhancements and Fixes in PHP 4.4.7 only:

• XSS in phpinfo()

The Debian Security Team reports:

Several vulnerabilities have been discovered in the QEMU processor emulator, which may lead to the execution of arbitrary code or denial of service. The Common Vulnerabilities and Exposures project identifies the following problems:

CVE-2007-1320
Tavis Ormandy discovered that a memory management routine of the Cirrus video driver performs insufficient bounds checking, which might allow the execution of arbitrary code through a heap overflow.

CVE-2007-1321
Tavis Ormandy discovered that the NE2000 network driver and the socket code perform insufficient input validation, which might allow the execution of arbitrary code through a heap overflow.

CVE-2007-1322
Tavis Ormandy discovered that the "icebp" instruction can be abused to terminate the emulation, resulting in denial of service.

CVE-2007-1323
Tavis Ormandy discovered that the NE2000 network driver and the socket code perform insufficient input validation, which might allow the execution of arbitrary code through a heap overflow.

CVE-2007-1366
Tavis Ormandy discovered that the "aam" instruction can be abused to crash qemu through a division by zero, resulting in denial of service.

Imager 0.56 and all earlier versions with BMP support have a security issue when reading compressed 8-bit per pixel BMP files where either a compressed run of data or a literal run of data overflows the scan-line.

Such an overflow causes a buffer overflow in a malloc() allocated memory buffer, possibly corrupting the memory arena headers.

The effect depends on your system memory allocator, with glibc this typically results in an abort, but with other memory allocators it may be possible to cause local code execution.

Problem Description

There is no mechanism for preventing IPv6 routing headers from being used to route packets over the same link(s) many times.

Impact

An attacker can "amplify" a denial of service attack against a link between two vulnerable hosts; that is, by sending a small volume of traffic the attacker can consume a much larger amount of bandwidth between the two vulnerable hosts.

An attacker can use vulnerable hosts to "concentrate" a denial of service attack against a victim host or network; that is, a set of packets sent over a period of 30 seconds or more could be constructed such that they all arrive at the victim within a period of 1 second or less over a period of 30 seconds or more could be constructed such that they all arrive at the victim within a period of 1 second or less.

Other attacks may also be possible.

Workaround

No workaround is available.

Mandriva reports:

PerlRun.pm in Apache mod_perl 1.29 and earlier, and RegistryCooker.pm in mod_perl 2.x, does not properly escape PATH_INFO before use in a regular expression, which allows remote attackers to cause a denial of service (resource consumption) via a crafted URI.

CVE reports:

The APOP protocol allows remote attackers to guess the first 3 characters of a password via man-in-the-middle (MITM) attacks that use crafted message IDs and MD5 collisions.

Lighttpd SA:

Lighttpd caches the rendered string for mtime. The cache key has as a default value 0. At that point the pointer to the string are still NULL. If a file with an mtime of 0 is requested it tries to access the pointer and crashes.

The bug requires that a malicious user can either upload files or manipulate the mtime of the files.

The bug was reported by cubiq and fixed by Marcus Rueckert.

Lighttpd SA:

If the connection aborts during parsing "\r\n\r\n" the server might get into a infinite loop and use 100% of the CPU time. lighttpd still responses to other requests. This can be repeated until either the server limit for concurrent connections or file descriptors is reached.

The bug was reported and fixed by Robert Jakabosky.

The freeradius development team reports:

A malicous 802.1x supplicant could send malformed Diameter format attributes inside of an EAP-TTLS tunnel. The server would reject the authentication request, but would leak one VALUE_PAIR data structure, of approximately 300 bytes. If an attacker performed the attack many times (e.g. thousands or more over a period of minutes to hours), the server could leak megabytes of memory, potentially leading to an "out of memory" condition, and early process exit.

Matthias Andree reports:

The POP3 standard, currently RFC-1939, has specified an optional, MD5-based authentication scheme called "APOP" which no longer should be considered secure.

Additionally, fetchmail's POP3 client implementation has been validating the APOP challenge too lightly and accepted random garbage as a POP3 server's APOP challenge. This made it easier than necessary for man-in-the-middle attackers to retrieve by several probing and guessing the first three characters of the APOP secret, bringing brute forcing the remaining characters well within reach.

CVE reports:

Buffer overflow in eject.c in Jason W. Bacon mcweject 0.9 on FreeBSD, and possibly other versions, allows local users to execute arbitrary code via a long command line argument, possibly involving the device name.

Secunia reports:

A vulnerability has been discovered in WebCalendar, which can be exploited by malicious people to compromise a vulnerable system.

Input passed to unspecified parameters is not properly verified before being used with the "noSet" parameter set. This can be exploited to overwrite certain variables, and allows e.g. the inclusion of arbitrary PHP files from internal or external resources.

The Zope Team reports:

A vulnerability has been discovered in Zope, where by certain types of misuse of HTTP GET, an attacker could gain elevated privileges. All Zope versions up to and including 2.10.2 are affected.

Squid advisory 2007:1 notes:

Due to an internal error Squid-2.6 is vulnerable to a denial of service attack when processing the TRACE request method.

Workarounds:

To work around the problem deny access to using the TRACE method by inserting the following two lines before your first http_access rule.

acl TRACE method TRACE

http_access deny TRACE

Chris Travers reports:

George Theall of Tenable Security notified the LedgerSMB core team today of an authentication bypass vulnerability allowing full access to the administrator interface of LedgerSMB 1.1 and SQL-Ledger 2.x. The problem is caused by the password checking routine failing to enforce a password check under certain circumstances. The user can then create accounts or effect denial of service attacks.

This is not related to any previous CVE.

We have coordinated with the SQL-Ledger vendor and today both of us released security patches correcting the problem. SQL-Ledger users who can upgrade to 2.6.26 should do so, and LedgerSMB 1.1 or 1.0 users should upgrade to 1.1.9. Users who cannot upgrade should configure their web servers to use http authentication for the admin.pl script in the main root directory.

The Samba Team reports:

Internally Samba's file server daemon, smbd, implements support for deferred file open calls in an attempt to serve client requests that would otherwise fail due to a share mode violation. When renaming a file under certain circumstances it is possible that the request is never removed from the deferred open queue. smbd will then become stuck is a loop trying to service the open request.

This bug may allow an authenticated user to exhaust resources such as memory and CPU on the server by opening multiple CIFS sessions, each of which will normally spawn a new smbd process, and sending each connection into an infinite loop.

The Samba Team reports:

NOTE: This security advisory only impacts Samba servers that share AFS file systems to CIFS clients and which have been explicitly instructed in smb.conf to load the afsacl.so VFS module.

The source defect results in the name of a file stored on disk being used as the format string in a call to snprintf(). This bug becomes exploitable only when a user is able to write to a share which utilizes Samba's afsacl.so library for setting Windows NT access control lists on files residing on an AFS file system.

Two problems have been found in KTorrent:

• KTorrent does not properly sanitize file names to filter out ".." components, so it's possible for an attacker to create a malicious torrent in order to overwrite arbitrary files within the filesystem.
• Messages with invalid chunk indexes aren't rejected.

"Moritz Jodeit reports:

There's an exploitable buffer overflow in the current version of MPlayer (v1.0rc1) which can be exploited with a maliciously crafted video file. It's hidden in the function DMO_VideoDecoder() in the file loader/dmo/DMO_VideoDecoder.c.

Secunia reports:

The vulnerability is caused due to an error within the "download wiki page as text" function, which can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

Successful exploitation may require that the victim uses IE.

TippingPoint and The Zero Day Initiative reports:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apache Tomcat JK Web Server Connector. Authentication is not required to exploit this vulnerability.

The specific flaw exists in the URI handler for the mod_jk.so library, map_uri_to_worker(), defined in native/common/jk_uri_worker_map.c. When parsing a long URL request, the URI worker map routine performs an unsafe memory copy. This results in a stack overflow condition which can be leveraged to execute arbitrary code.

Problem Description:

A type * (ANY) query response containing multiple RRsets can trigger an assertion failure.

Certain recursive queries can cause the nameserver to crash by using memory which has already been freed.

Impact:

A remote attacker sending a type * (ANY) query to an authoritative DNS server for a DNSSEC signed zone can cause the named(8) daemon to exit, resulting in a Denial of Service.

A remote attacker sending recursive queries can cause the nameserver to crash, resulting in a Denial of Service.

Workaround:

There is no workaround available, but systems which are not authoritative servers for DNSSEC signed zones are not affected by the first issue; and systems which do not permit untrusted users to perform recursive DNS resolution are not affected by the second issue. Note that the default configuration for named(8) in FreeBSD allows local access only (which on many systems is equivalent to refusing access to untrusted users).

Problem Description:

In multiple situations the host's jail rc.d(8) script does not check if a path inside the jail file system structure is a symbolic link before using the path. In particular this is the case when writing the output from the jail start-up to /var/log/console.log and when mounting and unmounting file systems inside the jail directory structure.

Impact:

Due to the lack of handling of potential symbolic links the host's jail rc.d(8) script is vulnerable to "symlink attacks". By replacing /var/log/console.log inside the jail with a symbolic link it is possible for the superuser (root) inside the jail to overwrite files on the host system outside the jail with arbitrary content. This in turn can be used to execute arbitrary commands with non-jailed superuser privileges.

Similarly, by changing directory mount points inside the jail file system structure into symbolic links, it may be possible for a jailed attacker to mount file systems which were meant to be mounted inside the jail at arbitrary points in the host file system structure, or to unmount arbitrary file systems on the host system.

NOTE WELL: The above vulnerabilities occur only when a jail is being started or stopped using the host's jail rc.d(8) script; once started (and until stopped), running jails cannot exploit this.

Workaround:

If the sysctl(8) variable security.jail.chflags_allowed is set to 0 (the default), setting the "sunlnk" system flag on /var, /var/log, /var/log/console.log, and all file system mount points and their parent directories inside the jail(s) will ensure that the console log file and mount points are not replaced by symbolic links. If this is done while jails are running, the administrator must check that an attacker has not replaced any directories with symlinks after setting the "sunlnk" flag.

Problem Description:

Symlinks created using the "GNUTYPE_NAMES" tar extension can be absolute due to lack of proper sanity checks.

Impact:

If an attacker can get a user to extract a specially crafted tar archive the attacker can overwrite arbitrary files with the permissions of the user running gtar. If file system permissions allow it, this may allow the attacker to overwrite important system file (if gtar is being run as root), or important user configuration files such as .tcshrc or .bashrc, which would allow the attacker to run arbitrary commands.

Workaround:

Use "bsdtar", which is the default tar implementation in FreeBSD 5.3 and higher. For FreeBSD 4.x, bsdtar is available in the FreeBSD Ports Collection as ports/archivers/libarchive.

Problem Description:

In the FW_GCROM ioctl, a signed integer comparison is used instead of an unsigned integer comparison when computing the length of a buffer to be copied from the kernel into the calling application.

Impact:

A user in the "operator" group can read the contents of kernel memory. Such memory might contain sensitive information, such as portions of the file cache or terminal buffers. This information might be directly useful, or it might be leveraged to obtain elevated privileges in some way; for example, a terminal buffer might include a user-entered password.

Workaround:

No workaround is available, but systems without IEEE 1394 ("FireWire") interfaces are not vulnerable. (Note that systems with IEEE 1394 interfaces are affected regardless of whether any devices are attached.)

Note also that FreeBSD does not have any non-root users in the "operator" group by default; systems on which no users have been added to this group are therefore also not vulnerable.

Problem Description:

If the end of an archive is reached while attempting to "skip" past a region of an archive, libarchive will enter an infinite loop wherein it repeatedly attempts (and fails) to read further data.

Impact:

An attacker able to cause a system to extract (via "tar -x" or another application which uses libarchive) or list the contents (via "tar -t" or another libarchive-using application) of an archive provided by the attacker can cause libarchive to enter an infinite loop and use all available CPU time.

Workaround:

No workaround is available.

Problem Description:

Several problems have been found in OpenSSL:

• During the parsing of certain invalid ASN1 structures an error condition is mishandled, possibly resulting in an infinite loop.
• A buffer overflow exists in the SSL_get_shared_ciphers function.
• A NULL pointer may be dereferenced in the SSL version 2 client code.

In addition, many applications using OpenSSL do not perform any validation of the lengths of public keys being used.

Impact:

Servers which parse ASN1 data from untrusted sources may be vulnerable to a denial of service attack.

An attacker accessing a server which uses SSL version 2 may be able to execute arbitrary code with the privileges of that server.

A malicious SSL server can cause clients connecting using SSL version 2 to crash.

Applications which perform public key operations using untrusted keys may be vulnerable to a denial of service attack.

Workaround:

No workaround is available, but not all of the vulnerabilities mentioned affect all applications.

The Mozilla Foundation reports of multiple security issues in Firefox, Seamonkey, and Thunderbird. Several of these issues can probably be used to run arbitrary code with the privilege of the user running the program.

• MFSA 2007-08 onUnload + document.write() memory corruption
• MFSA 2007-07 Embedded nulls in location.hostname confuse same-domain checks
• MFSA 2007-06 Mozilla Network Security Services (NSS) SSLv2 buffer overflow
• MFSA 2007-05 XSS and local file access by opening blocked popups
• MFSA 2007-04 Spoofing using custom cursor and CSS3 hotspot
• MFSA 2007-03 Information disclosure through cache collisions
• MFSA 2007-02 Improvements to help protect against Cross-Site Scripting attacks
• MFSA 2007-01 Crashes with evidence of memory corruption (rv:1.8.0.10/1.8.1.2)

A IBM Internet Security Systems Protection Advisory reports:

Snort is vulnerable to a stack-based buffer overflow as a result of DCE/RPC reassembly. This vulnerability is in a dynamic-preprocessor enabled in the default configuration, and the configuration for this preprocessor allows for auto-recognition of SMB traffic to perform reassembly on. No checks are performed to see if the traffic is part of a valid TCP session, and multiple Write AndX requests can be chained in the same TCP segment. As a result, an attacker can exploit this overflow with a single TCP PDU sent across a network monitored by Snort or Sourcefire.

Snort users who cannot upgrade immediately are advised to disable the DCE/RPC preprocessor by removing the DCE/RPC preprocessor directives from snort.conf and restarting Snort. However, be advised that disabling the DCE/RPC preprocessor reduces detection capabilities for attacks in DCE/RPC traffic. After upgrading, customers should re-enable the DCE/RPC preprocessor.

iDefense reports:

Remote exploitation of a stack based buffer overflow vulnerability in RARLabs Unrar may allow an attacker to execute arbitrary code with the privileges of the user opening the archive.

Unrar is prone to a stack based buffer overflow when processing specially crafted password protected archives.

If users are using the vulnerable command line based unrar, they still need to interact with the program in order to trigger the vulnerability. They must respond to the prompt asking for the password, after which the vulnerability will be triggered. They do not need to enter a correct password, but they must at least push the enter key.

Multiple vulnerabilities have been found in PHP, including: buffer overflows, stack overflows, format string, and information disclosure vulnerabilities.

The session extension contained safe_mode and open_basedir bypasses, but the FreeBSD Security Officer does not consider these real security vulnerabilities, since safe_mode and open_basedir are insecure by design and should not be relied upon.

Secunia reports:

Some vulnerabilities have been reported in Joomla!, where some have unknown impacts and one can be exploited by malicious people to conduct cross-site scripting attacks.

1. Input passed to an unspecified parameter is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
2. The vulnerabilities are caused due to unspecified errors in Joomla!. The vendor describes them as "several low level security issues". No further information is currently available.

Secunia reports:

A vulnerability in sircd can be exploited by a malicious person to compromise a vulnerable system. The vulnerability is caused by a boundary error in the code handling reverse DNS lookups, when a user connects to the service. If the FQDN (Fully Qualified Domain Name) returned is excessively long, the allocated buffer is overflowed making it possible to execute arbitrary code on the system with the privileges of the sircd daemon.

Secunia reports:

A vulnerability has been reported in sircd, which can be exploited by malicious users to gain operator privileges. The problem is that any user reportedly can set their usermode to operator. The vulnerability has been reported in versions 0.5.2 and 0.5.3. Other versions may also be affected.

Secunia reports:

rgod has discovered four vulnerabilities in Cacti, which can be exploited by malicious people to bypass certain security restrictions, manipulate data and compromise vulnerable systems.

A potential buffer overflow was found in the code used to handle RealMedia RTSP streams. When checking for matching asm rules, the code stores the results in a fixed-size array, but no boundary checks are performed. This may lead to a buffer overflow if the user is tricked into connecting to a malicious server. Since the attacker can not write arbitrary data into the buffer, creating an exploit is very hard; but a DoS attack is easily made. A fix for this problem was committed to SVN on Sun Dec 31 13:27:53 2006 UTC as r21799. The fix involves three files: stream/realrtsp/asmrp.c, stream/realrtsp/asmrp.h and stream/realrtsp/real.c.

Matthias Andree reports:

When delivering messages to a message delivery agent by means of the "mda" option, fetchmail can crash (by passing a NULL pointer to ferror() and fflush()) when refusing a message. SMTP and LMTP delivery modes aren't affected.

Matthias Andree reports:

Fetchmail has had several longstanding password disclosure vulnerabilities.

• sslcertck/sslfingerprint options should have implied "sslproto tls1" in order to enforce TLS negotiation, but did not.
• Even with "sslproto tls1" in the config, fetches would go ahead in plain text if STLS/STARTTLS wasn't available (not advertised, or advertised but rejected).
• POP3 fetches could completely ignore all TLS options whether available or not because it didn't reliably issue CAPA before checking for STLS support - but CAPA is a requisite for STLS. Whether or not CAPAbilities were probed, depended on the "auth" option. (Fetchmail only tried CAPA if the auth option was not set at all, was set to gssapi, kerberos, kerberos_v4, otp, or cram-md5.)
• POP3 could fall back to using plain text passwords, even if strong authentication had been configured.
• POP2 would not complain if strong authentication or TLS had been requested.

iDefense reports:

The vulnerability specifically exists due to Opera improperly processing a JPEG DHT marker. The DHT marker is used to define a Huffman Table which is used for decoding the image data. An invalid number of index bytes in the DHT marker will trigger a heap overflow with partially user controlled data.

Exploitation of this vulnerability would allow an attacker to execute arbitrary code on the affected host. The attacker would first need to construct a website containing the malicious image and trick the vulnerable user into visiting the site. This would trigger the vulnerability and allow the code to execute with the privileges of the local user.

A flaw exists within Opera's Javascript SVG implementation. When processing a createSVGTransformFromMatrix request Opera does not properly validate the type of object passed to the function. Passing an incorrect object to this function can result in it using a pointer that is user controlled when it attempts to make the virtual function call.

Exploitation of this vulnerability would allow an attacker to execute arbitrary code on the affected host. The attacker would first need to construct a website containing the malicious JavaScript and trick the vulnerable user into visiting the site. This would trigger the vulnerability and allow the code to execute with the privileges of the local user.

The Drupal security team reports:

A few arguments passed via URLs are not properly sanitized before display. When an attacker is able to entice an administrator to follow a specially crafted link, arbitrary HTML and script code can be injected and executed in the victim's session. Such an attack may lead to administrator access if certain conditions are met.

The way page caching was implemented allows a denial of service attack. An attacker has to have the ability to post content on the site. He or she would then be able to poison the page cache, so that it returns cached 404 page not found errors for existing pages.

If the page cache is not enabled, your site is not vulnerable. The vulnerability only affects sites running on top of MySQL.

An anonymous person reports:

w3m-0.5.1 crashes when using the -dump or -backend options to open a HTTPS URL with a SSL certificate where the CN contains "%n%n%n%n%n%n".

Plone.org reports:

PlonePAS-using Plone releases (Plone 2.5 and Plone 2.5.1) has a potential vulnerability that allows a user to masquerade as a group. Please update your sites.

The proftpd development team reports that several remote buffer overflows had been found in the proftpd server.

Problem Description

Multiple programming errors have been found in gzip which can be triggered when gzip is decompressing files. These errors include insufficient bounds checks in buffer use, a NULL pointer dereference, and a potential infinite loop.

Impact

The insufficient bounds checks in buffer use can cause gzip to crash, and may permit the execution of arbitrary code. The NULL pointer deference can cause gzip to crash. The infinite loop can cause a Denial-of-Service situation where gzip uses all available CPU time.

Workaround

No workaround is available.

Problem Description

For a recursive DNS server, a remote attacker sending enough recursive queries for the replies to arrive after all the interested clients have left the recursion queue will trigger an INSIST failure in the named(8) daemon. Also for a recursive DNS server, an assertion failure can occur when processing a query whose reply will contain more than one SIG(covered) RRset.

For an authoritative DNS server serving a RFC 2535 DNSSEC zone which is queried for the SIG records where there are multiple SIG(covered) RRsets (e.g. a zone apex), named(8) will trigger an assertion failure when it tries to construct the response.

Impact

An attacker who can perform recursive lookups on a DNS server and is able to send a sufficiently large number of recursive queries, or is able to get the DNS server to return more than one SIG(covered) RRsets can stop the functionality of the DNS service.

An attacker querying an authoritative DNS server serving a RFC 2535 DNSSEC zone may be able to crash the DNS server.

Workaround

A possible workaround is to only allow trusted clients to perform recursive queries.

Problem Description

When verifying a PKCS#1 v1.5 signature, OpenSSL ignores any bytes which follow the cryptographic hash being signed. In a valid signature there will be no such bytes.

Impact

OpenSSL will incorrectly report some invalid signatures as valid. When an RSA public exponent of 3 is used, or more generally when a small public exponent is used with a relatively large modulus (e.g., a public exponent of 17 with a 4096-bit modulus), an attacker can construct a signature which OpenSSL will accept as a valid PKCS#1 v1.5 signature.

Workaround

No workaround is available.

The Debian security Team reports:

Several remote vulnerabilities have been discovered in SQL Ledger, a web based double-entry accounting program, which may lead to the execution of arbitrary code. The Common Vulnerabilities and Exposures project identifies the following problems:

Chris Travers discovered that the session management can be tricked into hijacking existing sessions.

Chris Travers discovered that directory traversal vulnerabilities can be exploited to execute arbitrary Perl code.

It was discovered that missing input sanitising allows execution of arbitrary Perl code.

Secunia reports:

D-Bus have a weakness, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

An error within the "match_rule_equal()" function can be exploited to disable the ability of other processes to receive messages by removing their matches from D-Bus.

Secunia reports:

A vulnerability has been discovered in Evince, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the "get_next_text()" function in ps/ps.c. This can be exploited to cause a buffer overflow by e.g. tricking a user into opening a specially crafted PostScript file.

An undisclosed eRuby injection vulnerability had been discovered in tDiary.

Secunia reports:

Some vulnerabilities have been reported in wvWare, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the library.

The vulnerabilities are caused due to integer overflows within the "wvGetLFO_records()" and "wvGetLFO_PLF()" functions. These can be exploited to cause heap-based buffer overflows by e.g. tricking a user to open a specially crafted Microsoft Word document with an application using the library.

Secunia reports:

A vulnerability has been reported in wvWare wv2 Library, which potentially can be exploited by malicious people to compromise an application using the library.

The vulnerability is caused due to an integer overflow error in "word_helper.h" when handling a Word document. This can be exploited to cause a buffer overflow and may allow arbitrary code execution via a specially crafted Word document.

The tnftpd port suffer from a remote stack overrun, which can lead to a root compromise.

Secunia reports:

Clam AntiVirus have a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a stack overflow when scanning messages with deeply nested multipart content. This can be exploited to crash the service by sending specially crafted emails to a vulnerable system.

The libxine development team reports that several vulnerabilities had been found in the libxine library. The first vulnerability is caused by improper checking of the src/input/libreal/real.c "real_parse_sdp()" function. A remote attacker could exploit this by tricking an user to connect to a preparated server potentially causing a buffer overflow. Another buffer overflow had been found in the libmms library, potentially allowing a remote attacker to cause a denial of service vulnerability, and possible remote code execution through the following functions: send_command, string_utf16, get_data and get_media_packets. Other functions might be affected as well.

Werner Koch reports:

GnuPG uses data structures called filters to process OpenPGP messages. These filters are used in a similar way as a pipelines in the shell. For communication between these filters context structures are used. These are usually allocated on the stack and passed to the filter functions. At most places the OpenPGP data stream fed into these filters is closed before the context structure gets deallocated. While decrypting encrypted packets, this may not happen in all cases and the filter may use a void contest structure filled with garbage. An attacker may control this garbage. The filter context includes another context used by the low-level decryption to access the decryption algorithm. This is done using a function pointer. By carefully crafting an OpenPGP message, an attacker may control this function pointer and call an arbitrary function of the process. Obviously an exploit needs to prepared for a specific version, compiler, libc, etc to be successful - but it is definitely doable.

Fixing this is obvious: We need to allocate the context on the heap and use a reference count to keep it valid as long as either the controlling code or the filter code needs it.

We have checked all other usages of such a stack based filter contexts but fortunately found no other vulnerable places. This allows to release a relatively small patch. However, for reasons of code cleanness and easier audits we will soon start to change all these stack based filter contexts to heap based ones.

The official ruby site reports:

Another vulnerability has been discovered in the CGI library (cgi.rb) that ships with Ruby which could be used by a malicious user to create a denial of service attack (DoS).

A specific HTTP request for any web application using cgi.rb causes CPU consumption on the machine on which the web application is running. Many such requests result in a denial of service.

SecurityFocus reports about libmusicbrainz:

The libmusicbrainz library is prone to multiple buffer-overflow vulnerabilities because the application fails to check the size of the data before copying it into a finite-sized internal memory buffer.

An attacker can exploit these issues to execute arbitrary code within the context of the application or to cause a denial-of-service condition.

tDiary was vulnerable to an unspecified Cross-Site Scripting vulnerability

SecurityFocus reports about ImageMagick:

ImageMagick is prone to a remote heap-based buffer-overflow vulnerability because the application fails to properly bounds-check user-supplied input before copying it to an insufficiently sized memory buffer.

Exploiting this issue allows attackers to execute arbitrary machine code in the context of applications that use the ImageMagick library.

Teemu Salmela reports:

There is a tar record type, called GNUTYPE_NAMES (an obsolete GNU extension), that allows the creation of symbolic links pointing to arbitrary locations in the filesystem, which makes it possible to create/overwrite arbitrary files.

iDefense Labs reports:

Remote exploitation of a design error in Horde's Kronolith could allow an authenticated web mail user to execute arbitrary PHP code under the security context of the running web server.

The vulnerability specifically exists due to a design error in the way it includes certain files. Specifically, the 'lib/FBView.php' file contains a function 'Kronolith_FreeBusy_View::factory' which will include local files that are supplied via the 'view' HTTP GET request parameter.

Werner Koch reports:

When running GnuPG interactively, special crafted messages may be used to crash gpg or gpg2. Running gpg in batch mode, as done by all software using gpg as a backend (e.g. mailers), is not affected by this bug.

Exploiting this overflow seems to be possible.

gpg-agent, gpgsm, gpgv or other tools from the GnuPG suite are not affected.

FrSIRT reports:

A vulnerability has been identified in ProFTPD, which could be exploited by attackers to cause a denial of service or execute arbitrary commands. This flaw is due to a buffer overflow error in the "main.c" file where the "cmd_buf_size" size of the buffer used to handle FTP commands sent by clients is not properly set to the size configured via the "CommandBufferSize" directive, which could be exploited by attackers to compromise a vulnerable server via a specially crafted FTP command.

Secunia reports:

Doubles has discovered a vulnerability in Unzoo, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an input validation error when unpacking archives. This can be exploited via a directory traversal attack to overwrite files outside the directory, where the files are extracted to, if a user is tricked into extracting a malicious archive using Unzoo.

A Bugzilla Security Advisory reports:

• Sometimes the information put into the <h1> and <h2> tags in Bugzilla was not properly escaped, leading to a possible XSS vulnerability.
• Bugzilla administrators were allowed to put raw, unfiltered HTML into many fields in Bugzilla, leading to a possible XSS vulnerability. Now, the HTML allowed in those fields is limited.
• attachment.cgi could leak the names of private attachments
• The "deadline" field was visible in the XML format of a bug, even to users who were not a member of the "timetrackinggroup."
• A malicious user could pass a URL to an admin, and make the admin delete or change something that he had not intended to delete or change.
• It is possible to inject arbitrary HTML into the showdependencygraph.cgi page, allowing for a cross-site scripting attack.

Secunia reports:

Some vulnerabilities have been reported in imlib2, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise an application using the library.

The vulnerabilities are caused due to unspecified errors within the processing of JPG, ARGB, PNG, LBM, PNM, TIFF, and TGA images. This may be exploited to execute arbitrary code by e.g. tricking a user into opening a specially crafted image file with an application using imlib2.

Official ruby site reports:

A vulnerability has been discovered in the CGI library (cgi.rb) that ships with Ruby which could be used by a malicious user to create a denial of service attack (DoS). The problem is triggered by sending the library an HTTP request that uses multipart MIME encoding and as an invalid boundary specifier that begins with "-" instead of "--". Once triggered it will exhaust all available memory resources effectively creating a DoS condition.

A vulnerability in the handling handling of combined UTF-8 characters in screen may allow an user-assisted attacker to crash screen or potentially allow code execution as the user running screen. To exploit this issue the user running scren must in some way interact with the attacker.

Dmitri Lenev reports a privilege escalation in MySQL. MySQL evaluates arguments of suid routines in the security context of the routine's definer instead of the routine's caller, which allows remote and local authenticated users to gain privileges through a routine that has been made available using GRANT EXECUTE.

Michal Prokopiuk reports a privilege escalation in MySQL. The vulnerability causes MySQL, when run on case-sensitive filesystems, to allow remote and local authenticated users to create or access a database when the database name differs only in case from a database for which they have permissions.

The Serendipity Team reports:

Serendipity failed to correctly sanitize user input on the media manager administration page. The content of GET variables were written into JavaScript strings. By using standard string evasion techniques it was possible to execute arbitrary JavaScript.

Additionally Serendipity dynamically created a HTML form on the media manager administration page that contained all variables found in the URL as hidden fields. While the variable values were correctly escaped it was possible to break out by specifying strange variable names.

Red Hat reports:

An integer overflow flaw was found in the way Qt handled pixmap images. The KDE khtml library uses Qt in such a way that untrusted parameters could be passed to Qt, triggering the overflow. An attacker could for example create a malicious web page that when viewed by a victim in the Konqueror browser would cause Konqueror to crash or possibly execute arbitrary code with the privileges of the victim.

iDefense Labs reports:

Remote exploitation of a heap overflow vulnerability within version 9 of Opera Software's Opera Web browser could allow an attacker to execute arbitrary code on the affected host.

A flaw exists within Opera when parsing a tag that contains a URL. A heap buffer with a constant size of 256 bytes is allocated to store the URL, and the tag's URL is copied into this buffer without sufficient bounds checking of its length.

Adam Boileau of Security-Assessment.com reports:

The Asterisk Skinny channel driver for Cisco SCCP phones (chan_skinny.so) incorrectly validates a length value in the packet header. An integer wrap-around leads to heap overwrite, and arbitrary remote code execution as root.

The Plone Team reports:

Plone 2.0.5, 2.1.2, and 2.5-beta1 does not restrict access to the:

• changeMemberPortrait
• deletePersonalPortrait
• testCurrentPassword

methods, which allows remote attackers to modify portraits.

The Drupal Team reports:

A malicious user may entice users to visit a specially crafted URL that may result in the redirection of Drupal form submission to a third-party site. A user visiting the user registration page via such a url, for example, will submit all data, such as his/her e-mail address, but also possible private profile data, to a third-party site.

The Drupal Team reports:

Visiting a specially crafted page, anywhere on the web, may allow that page to post forms to a Drupal site in the context of the visitor's session. To illustrate; suppose one has an active user 1 session, the most powerful administrator account for a site, to a Drupal site while visiting a website created by an attacker. This website will now be able to submit any form to the Drupal site with the privileges of user 1, either by enticing the user to submit a form or by automated means.

An attacker can exploit this vulnerability by changing passwords, posting PHP code or creating new users, for example. The attack is only limited by the privileges of the session it executes in.

The Drupal Team reports:

A bug in input validation and lack of output validation allows HTML and script insertion on several pages.

Drupal's XML parser passes unescaped data to watchdog under certain circumstances. A malicious user may execute an XSS attack via a specially crafted RSS feed. This vulnerability exists on systems that do not use PHP's mb_string extension (to check if mb_string is being used, navigate to admin/settings and look under "String handling"). Disabling the aggregator module provides an immediate workaround.

The aggregator module, profile module, and forum module do not properly escape output of certain fields.

Note: XSS attacks may lead to administrator access if certain conditions are met.

The Horde team reports a vulnerability within Ingo, the filter management suite. The vulnerability is caused due to inadequete escaping, possibly allowing a local user to execute arbitrary shell commands via procmail.

Rapid7 reports:

The NVIDIA Binary Graphics Driver for Linux is vulnerable to a buffer overflow that allows an attacker to run arbitrary code as root. This bug can be exploited both locally or remotely (via a remote X client or an X client which visits a malicious web page). A working proof-of-concept root exploit is included with this advisory.

The NVIDIA drivers for Solaris and FreeBSD are also likely to be vulnerable.

Disabling Render acceleration in the "nvidia" driver, via the "RenderAccel" X configuration option, can be used as a workaround for this issue.

Secunia reports:

Two vulnerabilities have been reported in Clam AntiVirus, which potentially can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.

1) An unspecified error in the CHM unpacker in chmunpack.c can be exploited to cause a DoS.

2) An unspecified error in rebuildpe.c when rebuilding PE files after unpacking can be exploited to cause a heap-based buffer overflow.

Javier Fernández-Sanguino Peña reports a vulnerability in tkdiff which allows local users to gain priveleges of the user running tkdiff due to insecure temporary file creation.

Dedi Dwianto a.k.a the_day reports:

Input passed to the "$calpath" parameter in update.php is not properly verified before being used. This can be exploited to execute arbitrary PHP code by including files from local or external resources.

JAAScois reports:

While processing KML/KMZ data Google Earth fails to verify its size prior to copying it into a fixed-sized buffer. This can be exploited as a buffer-overflow vulnerability to cause the application to crash and/or to execute arbitrary code.

Steven Roddis reports that User-Agent string is not properly escaped when handled by torrentflux. This allows for arbitrary code insertion.

Benjamin C. Wiley Sittler reports:

I discovered a [buffer overrun in repr() for unicode strings]. This causes an unpatched non-debug wide (UTF-32/UCS-4) build of python to abort.

Ubuntu security team reports:

If an application uses repr() on arbitrary untrusted data, this [bug] could be exploited to execute arbitrary code with the privileges of the python application.

Stefan Esser reports:

The PHP 5 branch of the PHP source code lacks the protection against possible integer overflows inside ecalloc() that is present in the PHP 4 branch and also for several years part of our Hardening-Patch and our new Suhosin-Patch.

It was discovered that such an integer overflow can be triggered when user input is passed to the unserialize() function. Earlier vulnerabilities in PHP's unserialize() that were also discovered by one of our audits in December 2004 are unrelated to the newly discovered flaw, but they have shown, that the unserialize() function is exposed to user-input in many popular PHP applications. Examples for applications that use the content of COOKIE variables with unserialize() are phpBB and Serendipity.

The successful exploitation of this integer overflow will result in arbitrary code execution.

James Bercegay reports:

Mambo is vulnerable to an Authentication Bypass issue that is due to an SQL Injection in the login function. The SQL Injection is possible because the $passwd variable is only sanitized when it is not passed as an argument to the function.

Omid reports:

There are several sql injections in Mambo 4.6 RC2 & Joomla 1.0.10 (and maybe other versions):

• When a user edits a content, the "id" parameter is not checked properly in /components/com_content/content.php, which can cause 2 sql injections.
• The "limit" parameter in the administration section is not checked. This affects many pages of administration section
• In the administration section, while editing/creating a user, the "gid" parameter is not checked properly.

Urs Janssen and Aleksey Salow report possible buffer overflows in tin versions 1.8.0 and 1.8.1.

OpenPKG project elaborates there is an allocation off-by-one bug in version 1.8.0 which can lead to a buffer overflow.

Howard Chu reports:

An ACL of the form 'access to dn.subtree="ou=groups, dc=example,dc=com" attr=member by * selfwrite' is intended to only allow users to add/delete their own DN to the target attribute. Currently it allows any DNs to be modified.

Sebastian Krahmer reports:

Sebastian Krahmer of the SuSE security team discovered that the System.CodeDom.Compiler classes used temporary files in an insecure way. This could allow a symbolic link attack to create or overwrite arbitrary files with the privileges of the user invoking the program. Under some circumstances, a local attacker could also exploit this to inject arbitrary code into running Mono processes.

Stefan Esser reports:

PHP's open_basedir feature is meant to disallow scripts to access files outside a set of configured base directories. The checks for this are placed within PHP functions dealing with files before the actual open call is performed.

Obviously there is a little span of time between the check and the actual open call. During this time span the checked path could have been altered and point to a file that is forbidden to be accessed due to open_basedir restrictions.

Because the open_basedir restrictions often not call PHP functions but 3rd party library functions to actually open the file it is impossible to close this time span in a general way. It would only be possible to close it when PHP handles the actual opening on it's own.

While it seems hard to change the path during this little time span it is very simple with the use of the symlink() function combined with a little trick. PHP's symlink() function ensures that source and target of the symlink operation are allowed by open_basedir restrictions (and safe_mode). However it is possible to point a symlink to any file by the use of mkdir(), unlink() and at least two symlinks.

Secunia reports:

ShAnKaR has discovered a vulnerability in phpBB, which can be exploited by malicious users to compromise a vulnerable system.

Input passed to the "avatar_path" parameter in admin/admin_board.php is not properly sanitised before being used as a configuration variable to store avatar images. This can be exploited to upload and execute arbitrary PHP code by changing "avatar_path" to a file with a trailing NULL byte.

Successful exploitation requires privileges to the administration section.

ISS X-Force reports:

PostNuke is vulnerable to SQL injection. A remote attacker could send specially-crafted SQL statements to the admin section using the hits parameter, which could allow the attacker to view, add, modify or delete information in the back-end database.

SecurityTracker reports:

A vulnerability was reported in FreeType. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted font file that, when loaded by the target user's system, will trigger an integer underflow or integer overflow and crash the application or execute arbitrary code on the target system.

Chris Evans reported these vulnerabilities.

Impact: A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.

Secunia reports:

Will Drewry has reported some vulnerabilities in Cscope, which potentially can be exploited by malicious people to compromise a vulnerable system.

Various boundary errors within the parsing of file lists or the expansion of environment variables can be exploited to cause stack-based buffer overflows when parsing specially crafted "cscope.lists" files or directories.

A boundary error within the parsing of command line arguments can be exploited to cause a stack-based buffer overflow when supplying an overly long "reffile" argument.

Successful exploitation may allow execution of arbitrary code.

Secunia reports:

A vulnerability has been reported in GnuTLS, which can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to an error in the verification of certain signatures. If a RSA key with exponent 3 is used, it may be possible to forge PKCS #1 v1.5 signatures signed with that key.

Secunia reports:

Arai has reported a vulnerability in Movable Type and Movable Type Enterprise, which can be exploited by malicious people to conduct cross-site scripting attacks.

Some unspecified input passed via the search functionality isn't properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

phpMyAdmin team reports:

We received a security advisory from Stefan Esser (sesser@hardened-php.net) and we wish to thank him for his work.

It was possible to inject arbitrary SQL commands by forcing an authenticated user to follow a crafted link.

Problem Description

The CRC compensation attack detector in the sshd(8) daemon, upon receipt of duplicate blocks, uses CPU time cubic in the number of duplicate blocks received. [CVE-2006-4924]

A race condition exists in a signal handler used by the sshd(8) daemon to handle the LoginGraceTime option, which can potentially cause some cleanup routines to be executed multiple times. [CVE-2006-5051]

Impact

An attacker sending specially crafted packets to sshd(8) can cause a Denial of Service by using 100% of CPU time until a connection timeout occurs. Since this attack can be performed over multiple connections simultaneously, it is possible to cause up to MaxStartups (10 by default) sshd processes to use all the CPU time they can obtain. [CVE-2006-4924]

The OpenSSH project believe that the race condition can lead to a Denial of Service or potentially remote code execution, but the FreeBSD Security Team has been unable to verify the exact impact. [CVE-2006-5051]

Workaround

The attack against the CRC compensation attack detector can be avoided by disabling SSH Protocol version 1 support in sshd_config(5).

There is no workaround for the second issue.

Secunia reports:

rgod has discovered a vulnerability in DokuWiki, which can be exploited by malicious people to compromise a vulnerable system.

Input passed to the "TARGET_FN" parameter in bin/dwpage.php is not properly sanitised before being used to copy files. This can be exploited via directory traversal attacks in combination with DokuWiki's file upload feature to execute arbitrary PHP code.

CVE Mitre reports:

Direct static code injection vulnerability in doku.php in DokuWiki before 2006-03-09c allows remote attackers to execute arbitrary PHP code via the X-FORWARDED-FOR HTTP header, which is stored in config.php.

Unrestricted file upload vulnerability in lib/exe/media.php in DokuWiki before 2006-03-09c allows remote attackers to upload executable files into the data/media folder via unspecified vectors.

DokuWiki before 2006-03-09c enables the debug feature by default, which allows remote attackers to obtain sensitive information by calling doku.php with the X-DOKUWIKI-DO HTTP header set to "debug".

Secunia reports:

Some vulnerabilities have been reported in DokuWiki, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.

Input passed to the "w" and "h" parameters in lib/exec/fetch.php is not properly sanitised before being passed as resize parameters to the "convert" application. This can be exploited to cause a DoS due to excessive CPU and memory consumption by passing very large numbers, or to inject arbitrary shell commands by passing specially crafted strings to the "w" and "h" parameter.

Successful exploitation requires that the "$conf[imconvert]" option is set.

Secunia reports:

Thomas Pollet has discovered a vulnerability in TikiWiki, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed to the "highlight" parameter in tiki-searchindex.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

rgod has discovered a vulnerability in TikiWiki, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to the "jhot.php" script not correctly verifying uploaded files. This can e.g. be exploited to execute arbitrary PHP code by uploading a malicious PHP script to the "img/wiki" directory.

CVE Mitre reports:

PunBB 1.2.12 does not properly handle an avatar directory pathname ending in %00, which allows remote authenticated administrative users to upload arbitrary files and execute code, as demonstrated by a query to admin_options.php with an avatars_dir parameter ending in %00. NOTE: this issue was originally disputed by the vendor, but the dispute was withdrawn on 20060926.

Secunia reports:

Luigi Auriemma has reported a vulnerability in Freeciv, which can be exploited by malicious people to cause a DoS (Denial of Service).

An error in the "generic_handle_player_attribute_chunk()" function in common/packets.c can be exploited to crash the service via a specially crafted PACKET_PLAYER_ATTRIBUTE_CHUNK packet sent to the server.

An error in the "handle_unit_orders()" function in server/unithand.c can be exploited to crash the service via a specially crafted packet.

Secunia reports:

Luigi Auriemma has reported a vulnerability in Freeciv, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the handling of the packet length in "common/packets.c". This can be exploited to crash the Freeciv server via a specially- crafted packet with the size set to "0xffff".

Secunia reports:

A vulnerability has been reported in Plans, which can be exploited by malicious people to conduct SQL injection attacks.

Input passed to the "evt_id" parameter in "plans.cgi" isn't properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation requires that SQL database support has been enabled in "plans_config.pl" (the default setting is flat files).

Some vulnerabilities have been reported in Plans, which can be exploited by malicious people to conduct cross-site scripting attacks or gain knowledge of sensitive information.

Input passed to various unspecified parameters is not properly sanitised before being returned to users. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of a vulnerable site.

An unspecified error can be exploited to gain knowledge of the MySQL password.

eyeOS team reports:

[EyeOS 0.9.1] release fixes two XSS security bugs, so we recommend all users to upgrade to this new version in order to have the best security. These two bugs were discovered by Jose Carlos Norte, who is a new eyeOS developer.

Secunia reports:

A vulnerability has been reported in Zope, which can be exploited by malicious people to disclose potentially sensitive information.

The vulnerability is caused due to an error in the use of the docutils module to parse and render "restructured" text. This can be exploited to disclose certain information via the "csv_table" reStructuredText directive.

Mitre CVE reports:

Stack-based buffer overflow in libmms, as used by (a) MiMMS 0.0.9 and (b) xine-lib 1.1.0 and earlier, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via the (1) send_command, (2) string_utf16, (3) get_data, and (4) get_media_packet functions, and possibly other functions.

Opera reports:

A specially crafted digital certificate can bypass Opera's certificate signature verification. Forged certificates can contain any false information the forger chooses, and Opera will still present it as valid. Opera will not present any warning dialogs in this case, and the security status will be the highest possible (3). This defeats the protection against "man in the middle", the attacks that SSL was designed to prevent.

There is a flaw in OpenSSL's RSA signature verification that affects digital certificates using 3 as the public exponent. Some of the certificate issuers that are on Opera's list of trusted signers have root certificates with 3 as the public exponent. The forged certificate can appear to be signed by one of these.

The Mozilla Foundation reports of multiple security issues in Firefox, Seamonkey, and Thunderbird. Several of these issues can probably be used to run arbitrary code with the privilege of the user running the program.

• MFSA 2006-64 Crashes with evidence of memory corruption (rv:1.8.0.7)
• MFSA 2006-63 JavaScript execution in mail via XBL
• MFSA 2006-62 Popup-blocker cross-site scripting (XSS)
• MFSA 2006-61 Frame spoofing using document.open()
• MFSA 2006-60 RSA Signature Forgery
• MFSA 2006-59 Concurrency-related vulnerability
• MFSA 2006-58 Auto-Update compromise through DNS and SSL spoofing
• MFSA 2006-57 JavaScript Regular Expression Heap Corruption

The Apple Security Team reports that there are multiple vulnerabilities within QuickTime (one of the plugins for win32-codecs). A remote attacker capable of creating a malicious SGI image, FlashPix, FLC movie, or a QuickTime movie can possibly lead to execution of arbitrary code or cause a Denial of Service (application crash).

Users who have QuickTime (/win32-codecs) as a browser plugin may be vulnerable to remote code execution by visiting a website containing a malicious SGI image, FlashPix, FLC movie or a QuickTime movie.

The PHP development team reports:

• Added missing safe_mode/open_basedir checks inside the error_log(), file_exists(), imap_open() and imap_reopen() functions.
• Fixed overflows inside str_repeat() and wordwrap() functions on 64bit systems.
• Fixed possible open_basedir/safe_mode bypass in cURL extension and with realpath cache.
• Fixed overflow in GD extension on invalid GIF images.
• Fixed a buffer overflow inside sscanf() function.
• Fixed an out of bounds read inside stripos() function.
• Fixed memory_limit restriction on 64 bit system.

The Drupal Project reports:

It is possible for a malicious user to spoof a user's identity by bypassing the login redirection mechanism in the pubcookie module. The malicious user may gain the privileges of the user they are spoofing, including the administrative user.

Adobe reports:

Multiple input validation errors have been identified in Flash Player 8.0.24.0 and earlier versions that could lead to the potential execution of arbitrary code. These vulnerabilities could be accessed through content delivered from a remote location via the user?s web browser, email client, or other applications that include or reference the Flash Player. (CVE-2006-3311, CVE-2006-3587, CVE-2006-3588)

These updates include changes to prevent circumvention of the "allowScriptAccess" option. (CVE-2006-4640)

Secunia reports:

Mailman can be exploited by malicious people to conduct cross-site scripting and phishing attacks, and cause a DoS (Denial of Service).

1) An error in the logging functionality can be exploited to inject a spoofed log message into the error log via a specially crafted URL.

Successful exploitation may trick an administrator into visiting a malicious web site.

2) An error in the processing of malformed headers which does not follow the RFC 2231 standard can be exploited to cause a DoS (Denial of Service).

3) Some unspecified input isn't properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

Kefka reports multiple cross site scripting vulnerabilities within hlstats. The vulnerabilities are caused due to improper checking of variables, allowing an attacker to perform cross site scripting.

The Debian Security Team reports:

Michael Gehring discovered several potential out-of-bounds index accesses in gtetrinet, a multiplayer Tetris-like game, which may allow a remote server to execute arbitrary code

The Joomla development team reports multiple vulnerabilities within the joomla application. Joomla is vulnerable to the following vulnerabilities:

• Improper validation of the mosMail function
• Improper validation of the JosIsValidEmail function.
• Remote code execution in PEAR.php
• Zend Hash del key or index vulnerability

Problem Description

While processing Link Control Protocol (LCP) configuration options received from the remote host, sppp(4) fails to correctly validate option lengths. This may result in data being read or written beyond the allocated kernel memory buffer.

Impact

An attacker able to send LCP packets, including the remote end of a sppp(4) connection, can cause the FreeBSD kernel to panic. Such an attacker may also be able to obtain sensitive information or gain elevated privileges.

Workaround

No workaround is available, but systems which do not use sppp(4) are not vulnerable.

Secunia reports:

Some vulnerabilities have been reported in Horde, which can be exploited by malicious people to conduct phishing and cross-site scripting attacks.

1. Input passed to the "url" parameter in index.php isn't properly verified before it is being used to include an arbitrary web site in a frameset. This can e.g. be exploited to trick a user into believing certain malicious content is served from a trusted web site.
2. Some unspecified input passed in index.php isn't properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

The Globus Alliance reports:

The proxy generation tool (grid-proxy-init) creates the file, secures the file to provide access only to owner and writes proxy to the file. A race condition exists between the opening of the proxy credentials file, and making sure it is safe file to write to. The checks to ensure this file is accessible only to the owner take place using the filename after the file is opened for writing, but before any data is written.

Various components of the toolkit use files in shared directories to store information, some being sensitive information. For example, the tool to create proxy certificates, stores the generated proxy certificate by default in /tmp. Specific vulnerabilities in handling such files were reported in myproxy-admin-adduser, grid-ca-sign and grid-security-config.

Ludwig Nussel reports that x11vnc is vulnerable to an authentication bypass vulnerability. The vulnerability is caused by an error in auth.c. This could allow a remote attacker to gain unauthorized and unauthenticated access to the system.

Luigi Auriemma reports three vulnerabilities within alsaplayer:

• The function which handles the HTTP connections is vulnerable to a buffer-overflow that happens when it uses sscanf for copying the URL in the Location's field received from the server into the redirect buffer of only 1024 bytes declared in http_open.
• A buffer-overflow exists in the functions which add items to the playlist when the GTK interface is used (so the other interfaces are not affected by this problem): new_list_item and CbUpdated in interface/gtk/PlaylistWindow.cpp.
• AlsaPlayer automatically queries the CDDB server specified in its configuration (by default freedb.freedb.org) when the user choices the CDDA function for playing audio CDs. The function which queries the server uses a buffer of 20 bytes and one of 9 for storing the category and ID strings received from the server while the buffer which contains this server's response is 32768 bytes long. Naturally for exploiting this bug the attacker must have control of the freedb server specified in the AlsaPlayer's configuration.

These vulnerabilities could allow a remote attacker to execute arbitrary code, possibly gaining access to the system.

The PostgreSQL development team reports:

An attacker able to submit crafted strings to an application that will embed those strings in SQL commands can use invalidly-encoded multibyte characters to bypass standard string-escaping methods, resulting in possible injection of hostile SQL commands into the database. The attacks covered here work in any multibyte encoding.

The widely-used practice of escaping ASCII single quote "'" by turning it into "\'" is unsafe when operating in multibyte encodings that allow 0x5c (ASCII code for backslash) as the trailing byte of a multibyte character; this includes at least SJIS, BIG5, GBK, GB18030, and UHC. An application that uses this conversion while embedding untrusted strings in SQL commands is vulnerable to SQL-injection attacks if it communicates with the server in one of these encodings. While the standard client libraries used with PostgreSQL have escaped "'" in the safe, SQL-standard way of "''" for some time, the older practice remains common.

Multiple vulnerabilities had been reported in various versions of PostgreSQL:

• The EXECUTE restrictions can be bypassed by using the AGGREGATE function, which is missing a permissions check.
• A buffer overflow exists in gram.y which could allow an attacker to execute arbitrary code by sending a large number of arguments to a refcursor function, found in gram.y
• The intagg contributed module allows an attacker to crash the server (Denial of Service) by constructing a malicious crafted array.

Jean-David Maillefer reports a Denial of Service vulnerability within MySQL. The vulnerability is caused by improper checking of the data_format routine, which cause the MySQL server to crash. The crash is triggered by the following code:
"SELECT date_format('%d%s', 1);

The SquirrelMail developers report:

A logged in user could overwrite random variables in compose.php, which might make it possible to read/write other users' preferences or attachments.

The Ruby on Rails blog reports:

With Rails 1.1.0 through 1.1.5 (minus the short-lived 1.1.3), you can trigger the evaluation of Ruby code through the URL because of a bug in the routing code of Rails. This means that you can essentially take down a Rails process by starting something like /script/profiler, as the code will run for a long time and that process will be hung while it happens. Other URLs can even cause data loss.

Clamav team reports:

A heap overflow vulnerability was discovered in libclamav which could cause a denial of service or allow the execution of arbitrary code.

The problem is specifically located in the PE file rebuild function used by the UPX unpacker.

Relevant code from libclamav/upx.c:

memcpy(dst, newbuf, foffset); *dsize = foffset; free(newbuf); cli_dbgmsg("UPX: PE structure rebuilt from compressed file\n"); return 1;

Due to improper validation it is possible to overflow the above memcpy() beyond the allocated memory block.

The Drupal project reports:

A malicious user can execute a cross site scripting attack by enticing someone to visit a Drupal site via a specially crafted link.

Author reports:

Fixed 2 more possible memory allocation attacks. They are similar to the problem we fixed with 1.4.4. This bug can easily be be exploted for a DoS; remote code execution is not entirely impossible.

Secunia reports:

Two vulnerabilities have been reported in Ruby, which can be exploited by malicious people to bypass certain security restrictions.

1. An error in the handling of the "alias" functionality can be exploited to bypass the safe level protection and replace methods called in the trusted level.
2. An error caused due to directory operations not being properly checked can be exploited to bypass the safe level protection and close untainted directory streams.

The Apache Software Foundation and The Apache HTTP Server Project reports:

An off-by-one flaw exists in the Rewrite module, mod_rewrite, as shipped with Apache 1.3 since 1.3.28, 2.0 since 2.0.46, and 2.2 since 2.2.0.

Depending on the manner in which Apache HTTP Server was compiled, this software defect may result in a vulnerability which, in combination with certain types of Rewrite rules in the web server configuration files, could be triggered remotely. For vulnerable builds, the nature of the vulnerability can be denial of service (crashing of web server processes) or potentially allow arbitrary code execution. This issue has been rated as having important security impact by the Apache HTTP Server Security Team.

This flaw does not affect a default installation of Apache HTTP Server. Users who do not use, or have not enabled, the Rewrite module mod_rewrite are not affected by this issue. This issue only affects installations using a Rewrite rule with the following characteristics:

• The RewriteRule allows the attacker to control the initial part of the rewritten URL (for example if the substitution URL starts with $1)
• The RewriteRule flags do NOT include any of the following flags: Forbidden (F), Gone (G), or NoEscape (NE).

Please note that ability to exploit this issue is dependent on the stack layout for a particular compiled version of mod_rewrite. If the compiler used to compile Apache HTTP Server has added padding to the stack immediately after the buffer being overwritten, it will not be possible to exploit this issue, and Apache HTTP Server will continue operating normally.

The Apache HTTP Server project thanks Mark Dowd of McAfee Avert Labs for the responsible reporting of this vulnerability.

A Mozilla Foundation Security Advisory reports of multiple issues. Several of which can be used to run arbitrary code with the privilege of the user running the program.

• MFSA 2006-56 chrome: scheme loading remote content
• MFSA 2006-55 Crashes with evidence of memory corruption (rv:1.8.0.5)
• MFSA 2006-54 XSS with XPCNativeWrapper(window).Function(...)
• MFSA 2006-53 UniversalBrowserRead privilege escalation
• MFSA 2006-52 PAC privilege escalation using Function.prototype.call
• MFSA 2006-51 Privilege escalation using named-functions and redefined "new Object()"
• MFSA 2006-50 JavaScript engine vulnerabilities
• MFSA 2006-49 Heap buffer overwrite on malformed VCard
• MFSA 2006-48 JavaScript new Function race condition
• MFSA 2006-47 Native DOM methods can be hijacked across domains
• MFSA 2006-46 Memory corruption with simultaneous events
• MFSA 2006-45 Javascript navigator Object Vulnerability
• MFSA 2006-44 Code execution through deleted frame reference

Zope team reports:

Unspecified vulnerability in (Zope2) allows local users to obtain sensitive information via unknown attack vectors related to the docutils module and "restructured text".

The Drupal team reports:

Vulnerability: XSS Vulnerability in taxonomy module

It is possible for a malicious user to insert and execute XSS into terms, due to lack of validation on output of the page title. The fix wraps the display of terms in check_plain().

Goober's advisory reports reports that shoutcast is vulnerable to an arbitrary file reading vulnerability:

Impact of the vulnerability depends on the way the product was installed. In general, the vulnerability allows the attacker to read any file which can be read by the Shoutcast server process.

The Samba Team reports:

The smbd daemon maintains internal data structures used track active connections to file and printer shares. In certain circumstances an attacker may be able to continually increase the memory usage of an smbd process by issuing a large number of share connection requests. This defect affects all Samba configurations.

A TWiki Security Alert reports:

The TWiki upload filter already prevents executable scripts such as .php, .php1, .phps, .pl from potentially getting executed by appending a .txt suffix to the uploaded filename. However, PHP and some other types allows additional file suffixes, such as .php.en, .php.1, and .php.2. TWiki does not check for these suffixes, e.g. it is possible to upload php scripts with such suffixes without the .txt filename padding.

This issue can also be worked around with a restrictive web server configuration. See the TWiki Security Alert for more information about how to do this.

The Trac 0.9.6 Release Notes reports:

Fixed reStructuredText breach of privacy and denial of service vulnerability found by Felix Wiemann.

The discovered vulnerability requires docutils to be installed and enabled. Systems that do not have docutils installed or enabled are not vulnerable. As of this version version 0.3.9 or greater of docutils is required for using reStructuredText markup in Trac.

Horde 3.1.2 release announcement:

Security Fixes:

• Closed XSS problems in dereferrer (IE only), help viewer and problem reporting screen.
• Removed unused image proxy code from dereferrer.

The Team Mambo reports that two SQL injection vulnerabilities have been found in Mambo. The vulnerabilities exists due to missing sanitation of the title and catid parameters in the weblinks.php page and can lead to execution of arbitrary SQL code.

phpmyadmin Site reports:

It was possible to craft a request that contains XSS by attacking the "table" parameter.

The webmin development team reports:

An attacker without a login to Webmin can read the contents of any file on the server using a specially crafted URL. All users should upgrade to version 1.290 as soon as possible, or setup IP access control in Webmin.

SecurityFocus reports:

Mutt is prone to a remote buffer-overflow vulnerability. This issue is due to the application's failure to properly bounds-check user-supplied input before copying it to an insufficiently sized memory buffer. This issue may allow remote attackers to execute arbitrary machine code in the context of the affected application. Failed exploit attempts will likely crash the application, denying further service to legitimate users.

Joomla Site reports:

• Secured "Remember Me" functionality against SQL injection attacks
• Secured "Related Items" module against SQL injection attacks
• Secured "Weblinks" submission against SQL injection attacks
• Secured SEF from XSS vulnerability
• Hardened frontend submission forms against spoofing
• Secured mosmsg from misuse
• Hardened mosgetparam by setting variable type to integer if default value is detected as numeric
• Secured com_messages from XSS vulnerability
• Secured getUserStateFromRequest() from XSS vulnerability

Andreas Seltenreich reports that hashcash is prone to a heap overflow vulnerability. This vulnerability is caused by improper checking of memory allocations within the "array_push()" function. An attacker could trigger this vulnerability by passing a lot of "-r" or "-j" flags from the command line, this only applies when the application is configured to allow command line options, or by passing a lot of resource names when the application was started with the "-m" flag set. This could lead to a Denial or Service or could allow remote access to the targeted system.

If GnuPG processes a userid with a very long packet length, GnuPG can crash due to insufficient bounds check. This can result in a denial-of-service condition or potentially execution of arbitrary code with the privileges of the user running GnuPG.

FrSIRT advisory ADV-2006-2356 reports:

Multiple vulnerabilities have been identified in Horde Application Framework, which may be exploited by attackers to execute arbitrary scripting code. These flaws are due to input validation errors in the "test.php" and "templates/problem/problem.inc" scripts that do not validate the "url", "name", "email", "subject" and "message" parameters, which could be exploited by attackers to cause arbitrary scripting code to be executed by the user's browser in the security context of an affected Web site.

Secunia reports:

socsam has discovered a vulnerability in WebCalendar, which can be exploited by malicious people to bypass certain security restrictions and disclose sensitive information.

Input passed to the "includedir" parameter isn't properly verified, before it is used in an "fopen()" call. This can be exploited to load an arbitrary setting file from an external web site.

This can further be exploited to disclose the content of arbitrary files by defining the "user_inc" variable in a malicious setting file.

Successful exploitation requires that "register_globals" is enabled.

Problem Description

A suitably malformed multipart MIME message can cause sendmail to exceed predefined limits on its stack usage.

Impact

An attacker able to send mail to, or via, a server can cause queued messages on the system to not be delivered, by causing the sendmail process which handles queued messages to crash. Note that this will not stop new messages from entering the queue (either from local processes, or incoming via SMTP).

Workaround

No workaround is available, but systems which do not receive email from untrusted sources are not vulnerable.

Multiple vulnerabilities have been reported within dokuwiki. dokuwiki is proven vulnerable to:

• arbitrary PHP code insertion via spellcheck module,
• XSS attack via "Update your account profile,"
• bypassing of ACL controls when enabled.

A Secunia Advisory reports:

Federico L. Bossi Bonin has discovered a weakness in xine-lib, which can be exploited by malicious people to crash certain applications on a user's system.

The weakness is cause due to a heap corruption within the "xineplug_inp_http.so" plugin when handling an overly large reply from the HTTP server. This can be exploited to crash an application that uses the plugin (e.g. gxine).

Problem Description

smbfs does not properly sanitize paths containing a backslash character; in particular the directory name '..\' is interpreted as the parent directory by the SMB/CIFS server, but smbfs handles it in the same manner as any other directory.

Impact

When inside a chroot environment which resides on a smbfs mounted file-system it is possible for an attacker to escape out of this chroot to any other directory on the smbfs mounted file-system.

Workaround

Mount the smbfs file-systems which need to be used with chroot on top, in a way so the chroot directory is exactly on the mount point and not a sub directory

Problem Description

There are two documented methods of restricting access to NIS maps through ypserv(8): through the use of the /var/yp/securenets file, and through the /etc/hosts.allow file. While both mechanisms are implemented in the server, a change in the build process caused the "securenets" access restrictions to be inadvertantly disabled.

Impact

ypserv(8) will not load or process any of the networks or hosts specified in the /var/yp/securenets file, rendering those access controls ineffective.

Workaround

One possible workaround is to use /etc/hosts.allow for access control, as shown by examples in that file.

Another workaround is to use a firewall (e.g., ipfw(4), ipf(4), or pf(4)) to limit access to RPC functions from untrusted systems or networks, but due to the complexities of RPC, it might be difficult to create a set of firewall rules which accomplish this without blocking all access to the machine in question.

The freeradious development team reports:

Multiple issues exist with version 1.0.4, and all prior versions of the server. Externally exploitable vulnerabilities exist only for sites that use the rlm_sqlcounter module. Those sites may be vulnerable to SQL injection attacks, similar to the issues noted below. All sites that have not deployed the rlm_sqlcounter module are not vulnerable to external exploits.

The issues are:
SQL Injection attack in the rlm_sqlcounter module.
Buffer overflow in the rlm_sqlcounter module, that may cause a server crash.
Buffer overflow while expanding %t, that may cause a server crash.

The freeradius development team reports:

A validation issue exists with the EAP-MSCHAPv2 module in all versions from 1.0.0 (where the module first appeared) to 1.1.0. Insufficient input validation was being done in the EAP-MSCHAPv2 state machine. A malicious attacker could manipulate their EAP-MSCHAPv2 client state machine to potentially convince the server to bypass authentication checks. This bypassing could also result in the server crashing

The SquirrelMail Project Team reports:

A security issue has been uncovered in functions/plugin.php that could allow a remote user to access local files on the server without requiring login. This issue manifests itself if register_globals is enabled, and magic_quotes_gpc is disabled.

Stefan Esser reports:

During the evaluation of DokuWiki for a german/korean wiki of mine a flaw in DokuWiki's spellchecker was discovered, that allows injecting arbitrary PHP commands, by requesting a spellcheck on PHP commands in 'complex curly syntax'.

Because the spellchecker is written as part of the AJAX functionality of DokuWiki, it can be directly called by any website visitor, without the need for a wiki account.

The Drupal team reports:

Vulnerability: SQL injection

A security vulnerability in the database layer allowed certain queries to be submitted to the database without going through Drupal's query sanitizer.

Vulnerability: Execution of arbitrary files

Certain -- alas, typical -- configurations of Apache allows execution of carefully named arbitrary scripts in the files directory. Drupal now will attempt to automatically create a .htaccess file in your "files" directory to protect you.

MySQL reports:

An SQL-injection security hole has been found in multibyte encoding processing. An SQL-injection security hole can include a situation whereby when inserting user supplied data into a database, the user might inject his own SQL statements that the server will execute. With regards to this vulnerability discovered, when character set unaware escaping is used (e.g., addslashes() in PHP), it is possible to bypass it in some multibyte character sets (e.g., SJIS, BIG5 and GBK). As a result, a function like addslashes() is not able to prevent SQL injection attacks. It is impossible to fix this on the server side. The best solution is for applications to use character set aware escaping offered in a function like mysql_real_escape().

Workarounds:

One can use NO_BACKSLASH_ESCAPES mode as a workaround for a bug in mysql_real_escape_string(), if you cannot upgrade your server for some reason. It will enable SQL standard compatibility mode, where backslash is not considered a special character.

Secunia reports:

MySQL have some vulnerabilities, which can be exploited by malicious users to disclose potentially sensitive information and compromise a vulnerable system.

1) An error within the code that generates an error response to an invalid COM_TABLE_DUMP packet can be exploited by an authenticated client to disclosure certain memory content of the server process.

2) A boundary error within the handling of specially crafted invalid COM_TABLE_DUMP packets can be exploited by an authenticated client to cause a buffer overflow and allows arbitrary code execution.

3) An error within the handling of malformed login packets can be exploited to disclosure certain memory content of the server process in the error messages.

Esteban Martinez Fayo reports:

The FrontPage Server Extensions 2002 (included in Windows Sever 2003 IIS 6.0 and available as a separate download for Windows 2000 and XP) has a web page /_vti_bin/_vti_adm/fpadmdll.dll that is used for administrative purposes. This web page is vulnerable to cross site scripting attacks allowing an attacker to run client-side script on behalf of an FPSE user. If the victim is an administrator, the attacker could take complete control of a Front Page Server Extensions 2002 server.

To exploit the vulnerability an attacker can send a specially crafted e-mail message to a FPSE user and then persuade the user to click a link in the e-mail message.

In addition, this vulnerability can be exploited if an attacker hosts a malicious website and persuade the user to visit it.

Jason Duell reports:

Cscope contains an alarming number of buffer overflow vulnerabilities. By a rough count, there are at least 48 places where we blindly sprintf() a file name into a fixed-length buffer of size PATHLEN without checking to see if the file's name is <= PATHLEN. We do similar things with environment variable values.

Secunia reports:

Coppermine Photo Gallery have a vulnerability, which can be exploited by malicious users to compromise a vulnerable system.

The vulnerability is caused due to an error in the handling of file uploads where a filename has multiple file extensions. This can be exploited to upload malicious script files inside the web root (e.g. a PHP script).

Successful exploitation may allow execution of script code depending on the HTTP server configuration (it requires e.g. an Apache server with the "mod_mime" module installed).

Secunia reports:

Coppermine Photo Gallery have a vulnerability, which can be exploited by malicious people to disclose sensitive information.

Input passed to the "file" parameter in "index.php" isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from local resources.

Example: http://[host]/index.php?file=.//././/././/././/./[file]%00

Successful exploitation requires that "magic_quotes_gpc" is disabled.

Secunia reports:

Coppermine Photo Gallery have a vulnerability, which can be exploited by malicious people and by malicious users to compromise a vulnerable system.

1) Input passed to the "lang" parameter in include/init.inc.php isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from local resources. The vulnerability can be further exploited by users who are allowed to upload image files to execute arbitrary PHP code.

2) Input passed to the "f" parameter in docs/showdoc.php isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from local resources on the Windows platform, and remote files from Windows shared folders.

phpMyAdmin security team reports:

It was possible to inject arbitrary SQL commands by forcing an authenticated user to follow a crafted link.

Such issue is quite common in many PHP applications and users should take care what links they follow. We consider these vulnerabilities to be quite dangerous.