CVE ID:	CVE-2011-2702
Description:	Integer signedness error in Glibc before 2.13 and eglibc before 2.13, when using Supplemental Streaming SIMD Extensions 3 (SSSE3) optimization, allows context-dependent attackers to execute arbitrary code via a negative length parameter to (1) memcpy-ssse3-rep.S, (2) memcpy-ssse3.S, or (3) memset-sse2.S in sysdeps/i386/i686/multiarch/, which triggers an out-of-bounds read, as demonstrated using the memcpy function.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2011-2702 80718 http://www.osvdb.org/80718 [oss-security] 20110718 CVE id request: (e)glibc http://seclists.org/oss-sec/2011/q3/123 [oss-security] 20110720 Re: CVE id request: (e)glibc http://seclists.org/oss-sec/2011/q3/153 http://www.eglibc.org/cgi-bin/viewvc.cgi/trunk/libc/ChangeLog?view=markup&pathrev=10032 http://www.eglibc.org/cgi-bin/viewvc.cgi/trunk/libc/ChangeLog?view=markup&pathrev=10032 http://www.nodefense.org/eglibc.txt http://www.nodefense.org/eglibc.txt http://xorl.wordpress.com/2011/08/06/cve-2011-2702-eglibc-and-glibc-signedness-issue/ http://xorl.wordpress.com/2011/08/06/cve-2011-2702-eglibc-and-glibc-signedness-issue/ https://bugzilla.novell.com/show_bug.cgi?id=706915 https://bugzilla.novell.com/show_bug.cgi?id=706915 https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=a0ac24d98ace90d1ccba6a2f3e7d55600f2fdb6e https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=a0ac24d98ace90d1ccba6a2f3e7d55600f2fdb6e