summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorArmin Kuster <akuster@mvista.com>2016-02-06 15:15:00 -0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-02-07 17:23:05 +0000
commitc2f4fe8d0c7e5d0c5720aaee20c5f7a8f6ea068c (patch)
treef56876838b3ce922482a4c62e6019d8324b455bf
parentce70f38442350145fc6e506b35f88bd4329cf9c8 (diff)
downloadast2050-yocto-poky-c2f4fe8d0c7e5d0c5720aaee20c5f7a8f6ea068c.zip
ast2050-yocto-poky-c2f4fe8d0c7e5d0c5720aaee20c5f7a8f6ea068c.tar.gz
libxml2: Security fix CVE-2015-8241
CVE-2015-8241 libxml2: Buffer overread with XML parser in xmlNextChar (From OE-Core rev: f3c19a39cdec435f26a7f46a3432231ba4daa19c) (From OE-Core rev: 428878a67fd723908af74c4881e933969f2928a7) Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--meta/recipes-core/libxml/libxml2.inc1
-rw-r--r--meta/recipes-core/libxml/libxml2/CVE-2015-8241.patch40
2 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-core/libxml/libxml2.inc b/meta/recipes-core/libxml/libxml2.inc
index 4f2034e..01d6bbe 100644
--- a/meta/recipes-core/libxml/libxml2.inc
+++ b/meta/recipes-core/libxml/libxml2.inc
@@ -37,6 +37,7 @@ SRC_URI = "ftp://xmlsoft.org/libxml2/libxml2-${PV}.tar.gz;name=libtar \
file://0001-CVE-2015-7500-Fix-memory-access-error-due-to-incorre.patch \
file://0001-CVE-2015-8242-Buffer-overead-with-HTML-parser-in-pus.patch \
file://0001-CVE-2015-5312-Another-entity-expansion-issue.patch \
+ file://CVE-2015-8241.patch \
"
BINCONFIG = "${bindir}/xml2-config"
diff --git a/meta/recipes-core/libxml/libxml2/CVE-2015-8241.patch b/meta/recipes-core/libxml/libxml2/CVE-2015-8241.patch
new file mode 100644
index 0000000..89a46ad
--- /dev/null
+++ b/meta/recipes-core/libxml/libxml2/CVE-2015-8241.patch
@@ -0,0 +1,40 @@
+From ab2b9a93ff19cedde7befbf2fcc48c6e352b6cbe Mon Sep 17 00:00:00 2001
+From: Hugh Davenport <hugh@allthethings.co.nz>
+Date: Tue, 3 Nov 2015 20:40:49 +0800
+Subject: [PATCH] Avoid extra processing of MarkupDecl when EOF
+
+For https://bugzilla.gnome.org/show_bug.cgi?id=756263
+
+One place where ctxt->instate == XML_PARSER_EOF whic was set up
+by entity detection issues doesn't get noticed, and even overrided
+
+Upstream-status: Backport
+
+https://git.gnome.org/browse/libxml2/commit/?id=ab2b9a93ff19cedde7befbf2fcc48c6e352b6cbe
+
+CVE: CVE-2015-8241
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ parser.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+Index: libxml2-2.9.2/parser.c
+===================================================================
+--- libxml2-2.9.2.orig/parser.c
++++ libxml2-2.9.2/parser.c
+@@ -6999,6 +6999,14 @@ xmlParseMarkupDecl(xmlParserCtxtPtr ctxt
+ xmlParsePI(ctxt);
+ }
+ }
++
++ /*
++ * detect requirement to exit there and act accordingly
++ * and avoid having instate overriden later on
++ */
++ if (ctxt->instate == XML_PARSER_EOF)
++ return;
++
+ /*
+ * This is only for internal subset. On external entities,
+ * the replacement is done before parsing stage
OpenPOWER on IntegriCloud