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Test ID:1.3.6.1.4.1.25623.1.0.870794
Category:Red Hat Local Security Checks
Title:RedHat Update for glibc RHSA-2012:1098-01
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 provide the standard C and standard math libraries used
by multiple programs on the system. Without these libraries, the Linux
system cannot function properly.

Multiple errors in glibc's formatted printing functionality could allow an
attacker to bypass FORTIFY_SOURCE protections and execute arbitrary code
using a format string flaw in an application, even though these protections
are expected to limit the impact of such flaws to an application abort.
(CVE-2012-3404, CVE-2012-3405, CVE-2012-3406)

This update also fixes the following bug:

* A programming error caused an internal array of nameservers to be only
partially initialized when the /etc/resolv.conf file contained IPv6
nameservers. Depending on the contents of a nearby structure, this could
cause certain applications to terminate unexpectedly with a segmentation
fault. The programming error has been fixed, which restores proper behavior
with IPv6 nameservers listed in the /etc/resolv.conf file. (BZ#837026)

All users of glibc are advised to upgrade to these updated packages, which
contain backported patches to fix these issues.

Affected Software/OS:
glibc on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
6.8

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-3404
https://security.gentoo.org/glsa/201503-04
http://www.openwall.com/lists/oss-security/2012/07/11/17
RedHat Security Advisories: RHSA-2012:1098
http://rhn.redhat.com/errata/RHSA-2012-1098.html
RedHat Security Advisories: RHSA-2012:1200
http://rhn.redhat.com/errata/RHSA-2012-1200.html
http://www.ubuntu.com/usn/USN-1589-1
Common Vulnerability Exposure (CVE) ID: CVE-2012-3405
Common Vulnerability Exposure (CVE) ID: CVE-2012-3406
RedHat Security Advisories: RHSA-2012:1097
http://rhn.redhat.com/errata/RHSA-2012-1097.html
RedHat Security Advisories: RHSA-2012:1185
http://rhn.redhat.com/errata/RHSA-2012-1185.html
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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