CVE-2013-1773 Information

Description

Buffer overflow in the VFAT filesystem implementation in the Linux kernel before 3.3 allows local users to gain privileges or cause a denial of service (system crash) via a VFAT write operation on a filesystem with the utf8 mount option which is not properly handled during UTF-8 to UTF-16 conversion.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0720a06a7518c9d0c0125bd5d1f3b6264c55c3dd http://rhn.redhat.com/errata/RHSA-2013-0744.html http://rhn.redhat.com/errata/RHSA-2013-0928.html http://rhn.redhat.com/errata/RHSA-2013-1026.html http://www.exploit-db.com/exploits/23248/ http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.3.bz2 http://www.openwall.com/lists/oss-security/2013/02/26/8 http://www.osvdb.org/88310 http://www.securityfocus.com/bid/58200 https://bugzilla.redhat.com/show_bug.cgi?id=916115 https://github.com/torvalds/linux/commit/0720a06a7518c9d0c0125bd5d1f3b6264c55c3dd