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author | Baogen Shang <baogen.shang@windriver.com> | 2013-12-05 17:52:16 -0600 |
---|---|---|
committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2013-12-10 17:42:45 +0000 |
commit | d1cb9ec1c290960078c3cee621153e88652464cc (patch) | |
tree | 29e2750161b1330e80912861e2d681a01a1b898e /meta/recipes-multimedia/libtiff/files | |
parent | 3e46414bf919f5a8d9514e523c51256a37f46d35 (diff) | |
download | ast2050-yocto-poky-d1cb9ec1c290960078c3cee621153e88652464cc.zip ast2050-yocto-poky-d1cb9ec1c290960078c3cee621153e88652464cc.tar.gz |
libtiff: CVE-2013-4243
cve description:
Heap-based buffer overflow in the readgifimage function in the gif2tiff
tool in libtiff 4.0.3 and earlier allows remote attackers to cause a denial
of service (crash) and possibly execute arbitrary code via a crafted height
and width values in a GIF image.
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-4243
(From OE-Core rev: 47388363f69bfbf5ed1816a9367627182ee10e88)
Signed-off-by: Baogen Shang <baogen.shang@windriver.com>
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-multimedia/libtiff/files')
-rw-r--r-- | meta/recipes-multimedia/libtiff/files/libtiff-CVE-2013-4243.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/libtiff/files/libtiff-CVE-2013-4243.patch b/meta/recipes-multimedia/libtiff/files/libtiff-CVE-2013-4243.patch new file mode 100644 index 0000000..642a117 --- /dev/null +++ b/meta/recipes-multimedia/libtiff/files/libtiff-CVE-2013-4243.patch @@ -0,0 +1,40 @@ +This patch comes from: http://bugzilla.maptools.org/attachment.cgi?id=518&action=diff#tools/gif2tiff.c_sec2 + +Upstream-Status: Pending + +Signed-off-by: Baogen shang <baogen.shang@windriver.com> +--- a/tools/gif2tiff.c 2013-10-14 17:08:43.966239709 +0800 ++++ b/tools/gif2tiff.c 2013-10-14 17:18:22.994239638 +0800 +@@ -280,6 +280,10 @@ + fprintf(stderr, "no colormap present for image\n"); + return (0); + } ++ if (width == 0 || height == 0) { ++ fprintf(stderr, "Invalid value of width or height\n"); ++ return(0); ++ } + if ((raster = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) { + fprintf(stderr, "not enough memory for image\n"); + return (0); +@@ -397,6 +401,10 @@ + return 1; + } + ++ if (*fill >= raster + width*height) { ++ fprintf(stderr, "raster full before eoi code\n"); ++ return 0; ++ } + if (oldcode == -1) { + *(*fill)++ = suffix[code]; + firstchar = oldcode = code; +@@ -428,6 +436,10 @@ + } + oldcode = incode; + do { ++ if (*fill >= raster + width*height) { ++ fprintf(stderr, "raster full before eoi code\n"); ++ return 0; ++ } + *(*fill)++ = *--stackp; + } while (stackp > stack); + return 1; |