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Test ID:1.3.6.1.4.1.25623.1.0.68807
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-1009-2 (glibc)
Summary:Ubuntu USN-1009-2 (glibc)
Description:The remote host is missing an update to glibc
announced via advisory USN-1009-2.

Details follow:

USN-1009-1 fixed vulnerabilities in the GNU C library. Colin Watson
discovered that the fixes were incomplete and introduced flaws with
setuid programs loading libraries that used dynamic string tokens in their
RPATH. If the man program was installed setuid, a local attacker could
exploit this to gain man user privileges, potentially leading to further
privilege escalations. Default Ubuntu installations were not affected.

Original advisory details:

Tavis Ormandy discovered multiple flaws in the GNU C Library's handling
of the LD_AUDIT environment variable when running a privileged binary. A
local attacker could exploit this to gain root privileges. (CVE-2010-3847,
CVE-2010-3856)

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 8.04 LTS:
libc6 2.7-10ubuntu8

Ubuntu 9.10:
libc6 2.10.1-0ubuntu19

Ubuntu 10.04 LTS:
libc6 2.11.1-0ubuntu7.7

Ubuntu 10.10:
libc6 2.12.1-0ubuntu10.1

In general, a standard system update will make all the necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-1009-2

Risk factor : High
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-3847
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/archive/1/515545/100/0/threaded
http://seclists.org/fulldisclosure/2010/Oct/257
http://seclists.org/fulldisclosure/2010/Oct/292
http://seclists.org/fulldisclosure/2010/Oct/294
http://sourceware.org/ml/libc-hacker/2010-10/msg00007.html
Debian Security Information: DSA-2122 (Google Search)
http://www.debian.org/security/2010/dsa-2122
http://security.gentoo.org/glsa/glsa-201011-01.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2010:207
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://www.ubuntu.com/usn/USN-1009-1
CERT/CC vulnerability note: VU#537223
http://www.kb.cert.org/vuls/id/537223
BugTraq ID: 44154
http://www.securityfocus.com/bid/44154
http://secunia.com/advisories/42787
http://www.vupen.com/english/advisories/2011/0025
Common Vulnerability Exposure (CVE) ID: CVE-2010-3856
http://seclists.org/fulldisclosure/2010/Oct/344
http://sourceware.org/ml/libc-hacker/2010-10/msg00010.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:212
RedHat Security Advisories: RHSA-2010:0793
https://rhn.redhat.com/errata/RHSA-2010-0793.html
BugTraq ID: 44347
http://www.securityfocus.com/bid/44347
CopyrightCopyright (c) 2011 E-Soft Inc. http://www.securityspace.com

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