CVE-2011-1089 Information

Description

The addmntent function in the GNU C Library (aka glibc or libc6) 2.13 and earlier does not report an error status for failed attempts to write to the /etc/mtab file which makes it easier for local users to trigger corruption of this file as demonstrated by writes from a process with a small RLIMIT_FSIZE value a different vulnerability than CVE-2010-0296.

Reference

http://openwall.com/lists/oss-security/2011/03/04/10 http://openwall.com/lists/oss-security/2011/03/04/11 http://openwall.com/lists/oss-security/2011/03/04/12 http://openwall.com/lists/oss-security/2011/03/04/9 http://openwall.com/lists/oss-security/2011/03/05/3 http://openwall.com/lists/oss-security/2011/03/05/7 http://openwall.com/lists/oss-security/2011/03/07/9 http://openwall.com/lists/oss-security/2011/03/14/16 http://openwall.com/lists/oss-security/2011/03/14/5 http://openwall.com/lists/oss-security/2011/03/14/7 http://openwall.com/lists/oss-security/2011/03/15/6 http://openwall.com/lists/oss-security/2011/03/22/4 http://openwall.com/lists/oss-security/2011/03/22/6 http://openwall.com/lists/oss-security/2011/03/31/3 http://openwall.com/lists/oss-security/2011/03/31/4 http://openwall.com/lists/oss-security/2011/04/01/2 http://sourceware.org/bugzilla/show_bug.cgi?id=12625 http://www.mandriva.com/security/advisories?name=MDVSA-2011:178 http://www.mandriva.com/security/advisories?name=MDVSA-2011:179 http://www.redhat.com/support/errata/RHSA-2011-1526.html http://www.securityfocus.com/bid/46740 https://bugzilla.redhat.com/show_bug.cgi?id=688980