CVE-2011-2896 Information

Description

The LZW decompressor in the LWZReadByte function in giftoppm.c in the David Koblas GIF decoder in PBMPLUS as used in the gif_read_lzw function in filter/image-gif.c in CUPS before 1.4.7 the LZWReadByte function in plug-ins/common/file-gif-load.c in GIMP 2.6.11 and earlier the LZWReadByte function in img/gifread.c in XPCE in SWI-Prolog 5.10.4 and earlier and other products does not properly handle code words that are absent from the decompression table when encountered which allows remote attackers to trigger an infinite loop or a heap-based buffer overflow and possibly execute arbitrary code via a crafted compressed stream a related issue to CVE-2006-1168 and CVE-2011-2895.

Reference

http://cups.org/str.php?L3867 http://git.gnome.org/browse/gimp/commit/?id=376ad788c1a1c31d40f18494889c383f6909ebfc http://lists.fedoraproject.org/pipermail/package-announce/2011-August/064600.html http://lists.fedoraproject.org/pipermail/package-announce/2011-August/064873.html http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065527.html http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065539.html http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065550.html http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065651.html http://rhn.redhat.com/errata/RHSA-2012-1180.html http://rhn.redhat.com/errata/RHSA-2012-1181.html http://secunia.com/advisories/45621 http://secunia.com/advisories/45900 http://secunia.com/advisories/45945 http://secunia.com/advisories/45948 http://secunia.com/advisories/46024 http://secunia.com/advisories/48236 http://secunia.com/advisories/48308 http://secunia.com/advisories/50737 http://security.gentoo.org/glsa/glsa-201209-23.xml http://www.debian.org/security/2011/dsa-2354 http://www.debian.org/security/2012/dsa-2426 http://www.mandriva.com/security/advisories?name=MDVSA-2011:146 http://www.mandriva.com/security/advisories?name=MDVSA-2011:167 http://www.openwall.com/lists/oss-security/2011/08/10/10 http://www.redhat.com/support/errata/RHSA-2011-1635.html http://www.securityfocus.com/bid/49148 http://www.securitytracker.com/id?1025929 http://www.swi-prolog.org/bugzilla/show_bug.cgi?id=7c4 http://www.ubuntu.com/usn/USN-1207-1 http://www.ubuntu.com/usn/USN-1214-1 https://bugzilla.redhat.com/show_bug.cgi?id=727800 https://bugzilla.redhat.com/show_bug.cgi?id=730338