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Test ID:1.3.6.1.4.1.25623.1.0.880639
Category:CentOS Local Security Checks
Title:CentOS Update for glibc CESA-2010:0787 centos5 i386
Summary:The remote host is missing an update for the 'glibc'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'glibc'
package(s) announced via the referenced advisory.

Vulnerability Insight:
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.

It was discovered that the glibc dynamic linker/loader did not handle the
$ORIGIN dynamic string token set in the LD_AUDIT environment variable
securely. A local attacker with write access to a file system containing
setuid or setgid binaries could use this flaw to escalate their privileges.
(CVE-2010-3847)

Red Hat would like to thank Tavis Ormandy for reporting this issue.

All users should upgrade to these updated packages, which contain a
backported patch to correct this issue.

Affected Software/OS:
glibc on CentOS 5

Solution:
Please install the updated packages.

CVSS Score:
6.9

CVSS Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-3847
BugTraq ID: 44154
http://www.securityfocus.com/bid/44154
Bugtraq: 20110105 VMSA-2011-0001 VMware ESX third party updates for Service Console packages glibc, sudo, and openldap (Google Search)
http://www.securityfocus.com/archive/1/515545/100/0/threaded
CERT/CC vulnerability note: VU#537223
http://www.kb.cert.org/vuls/id/537223
Debian Security Information: DSA-2122 (Google Search)
http://www.debian.org/security/2010/dsa-2122
https://www.exploit-db.com/exploits/44024/
https://www.exploit-db.com/exploits/44025/
http://seclists.org/fulldisclosure/2010/Oct/257
http://seclists.org/fulldisclosure/2010/Oct/292
http://seclists.org/fulldisclosure/2010/Oct/294
http://security.gentoo.org/glsa/glsa-201011-01.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2010:207
http://sourceware.org/ml/libc-hacker/2010-10/msg00007.html
RedHat Security Advisories: RHSA-2010:0787
https://rhn.redhat.com/errata/RHSA-2010-0787.html
http://www.redhat.com/support/errata/RHSA-2010-0872.html
http://secunia.com/advisories/42787
SuSE Security Announcement: SUSE-SA:2010:052 (Google Search)
https://lists.opensuse.org/opensuse-security-announce/2010-10/msg00007.html
http://www.ubuntu.com/usn/USN-1009-1
http://www.vupen.com/english/advisories/2011/0025
CopyrightCopyright (c) 2011 Greenbone Networks GmbH

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