CVE-2014-4611 Information

Description

Integer overflow in the LZ4 algorithm implementation as used in Yann Collet LZ4 before r118 and in the lz4_uncompress function in lib/lz4/lz4_decompress.c in the Linux kernel before 3.15.2 on 32-bit platforms might allow context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted Literal Run that would be improperly handled by programs not complying with an API limitation a different vulnerability than CVE-2014-4715.

Reference

http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.html http://fastcompression.blogspot.fr/2014/06/debunking-lz4-20-years-old-bug-myth.html http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=206204a1162b995e2185275167b22468c00d6b36 http://lists.opensuse.org/opensuse-updates/2014-07/msg00025.html http://secunia.com/advisories/59567 http://secunia.com/advisories/59770 http://secunia.com/advisories/60238 http://twitter.com/djrbliss/statuses/484931749013495809 http://twitter.com/djrbliss/statuses/485042901399789568 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2 http://www.openwall.com/lists/oss-security/2014/06/26/24 http://www.securitytracker.com/id/1030491 https://bugzilla.redhat.com/show_bug.cgi?id=1112436 https://code.google.com/p/lz4/issues/detail?id=52 https://code.google.com/p/lz4/source/detail?r=118 https://github.com/torvalds/linux/commit/206204a1162b995e2185275167b22468c00d6b36 https://www.securitymouse.com/lms-2014-06-16-5 https://www.securitymouse.com/lms-2014-06-16-6