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Gmane
From: <riehecky-13hema8v3vg <at> public.gmane.org>
Subject: Security ERRATA Low: glibc on SL6.x i386/x86_64
Newsgroups: gmane.linux.scientific.errata
Date: Thursday 8th December 2011 23:13:01 UTC (over 5 years ago)
Synopsis:    Low: glibc security, bug fix, and enhancement update
Issue Date:  2011-12-06
CVE Numbers: CVE-2011-1089
             CVE-2009-5064
             CVE-2009-5064


The glibc packages contain the standard C libraries used by multiple
programs on the system. These packages contain the standard C and the
standard math libraries. Without these two libraries, a Linux system
cannot function properly.

A flaw was found in the way the ldd utility identified dynamically linked
libraries. If an attacker could trick a user into running ldd on a
malicious binary, it could result in arbitrary code execution with the
privileges of the user running ldd. (CVE-2009-5064)

It was found that the glibc addmntent() function, used by various mount
helper utilities, did not handle certain errors correctly when updating the
mtab (mounted file systems table) file. If such utilities had the setuid
bit set, a local attacker could use this flaw to corrupt the mtab file.
(CVE-2011-1089)

This update also fixes several bugs and adds various enhancements.

Users are advised to upgrade to these updated glibc packages, which contain
backported patches to resolve these issues and add these enhancements.

SL6:
  i386
     glibc-2.12-1.47.el6.i686.rpm
     glibc-common-2.12-1.47.el6.i686.rpm
     glibc-debuginfo-2.12-1.47.el6.i686.rpm
     glibc-debuginfo-common-2.12-1.47.el6.i686.rpm
     glibc-devel-2.12-1.47.el6.i686.rpm
     glibc-headers-2.12-1.47.el6.i686.rpm
     glibc-static-2.12-1.47.el6.i686.rpm
     glibc-utils-2.12-1.47.el6.i686.rpm
     nscd-2.12-1.47.el6.i686.rpm
  x86_64
     glibc-2.12-1.47.el6.i686.rpm
     glibc-2.12-1.47.el6.x86_64.rpm
     glibc-common-2.12-1.47.el6.x86_64.rpm
     glibc-debuginfo-2.12-1.47.el6.i686.rpm
     glibc-debuginfo-2.12-1.47.el6.x86_64.rpm
     glibc-debuginfo-common-2.12-1.47.el6.i686.rpm
     glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm
     glibc-devel-2.12-1.47.el6.i686.rpm
     glibc-devel-2.12-1.47.el6.x86_64.rpm
     glibc-headers-2.12-1.47.el6.x86_64.rpm
     glibc-static-2.12-1.47.el6.i686.rpm
     glibc-static-2.12-1.47.el6.x86_64.rpm
     glibc-utils-2.12-1.47.el6.x86_64.rpm
     nscd-2.12-1.47.el6.x86_64.rpm

- Scientific Linux Development Team
 
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