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libtiff: fix CVE-2013-4244

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cve description:
The LZW decompressor in the gif2tiff tool in libtiff 4.0.3 and earlier
allows context-dependent attackers to cause a denial of service
(out-of-bounds write and crash) or possibly execute arbitrary code via
a crafted GIF image.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-4244
(From OE-Core rev: 4eec8fae3f972a27bfb986066f5b3603599ebc25)

Signed-off-by: Baogen Shang <baogen.shang@windriver.com>
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Baogen Shang
2014-03-28 17:43:36 +08:00
committed by Richard Purdie
parent 4f326c892f
commit c4c31eb761
2 changed files with 21 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
meta/recipes-multimedia/libtiff/files/libtiff-CVE-2013-4244.patch Normal file
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@@ -0,0 +1,19 @@
This patch comes from: https://github.com/vadz/libtiff/commit/ce6841d9e41d621ba23cf18b190ee6a23b2cc833
Upstream-Status: Backport
Signed-off-by: Baogen shang <baogen.shang@windriver.com>
--- a/tools/gif2tiff.c 2013-12-17 16:46:02.160814995 +0800
+++ b/tools/gif2tiff.c 2013-12-17 16:52:25.140814949 +0800
@@ -406,6 +406,11 @@
return 0;
}
if (oldcode == -1) {
+ if (code >= clear) {
+ fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
+ return 0;
+ }
+
*(*fill)++ = suffix[code];
firstchar = oldcode = code;
return 1;

3
meta/recipes-multimedia/libtiff/tiff_4.0.3.bb
View File

@@ -7,7 +7,8 @@ SRC_URI = "ftp://ftp.remotesensing.org/pub/libtiff/tiff-${PV}.tar.gz \
file://libtool2.patch \
file://libtiff-CVE-2013-1960.patch \
file://libtiff-CVE-2013-4232.patch \
file://libtiff-CVE-2013-4243.patch"
file://libtiff-CVE-2013-4243.patch \
file://libtiff-CVE-2013-4244.patch"
SRC_URI[md5sum] = "051c1068e6a0627f461948c365290410"
SRC_URI[sha256sum] = "ea1aebe282319537fb2d4d7805f478dd4e0e05c33d0928baba76a7c963684872"