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Test ID:1.3.6.1.4.1.25623.1.0.871054
Category:Red Hat Local Security Checks
Title:RedHat Update for xorg-x11-server RHSA-2013:1426-01
Summary:The remote host is missing an update for the 'xorg-x11-server'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'xorg-x11-server'
package(s) announced via the referenced advisory.

Vulnerability Insight:
X.Org is an open source implementation of the X Window System. It provides
the basic low-level functionality that full-fledged graphical user
interfaces are designed upon.

A use-after-free flaw was found in the way the X.Org server handled
ImageText requests. A malicious, authorized client could use this flaw to
crash the X.Org server or, potentially, execute arbitrary code with root
privileges. (CVE-2013-4396)

Red Hat would like to thank the X.Org security team for reporting this
issue. Upstream acknowledges Pedro Ribeiro as the original reporter.

All xorg-x11-server users are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue.

Affected Software/OS:
xorg-x11-server on Red Hat Enterprise Linux (v. 5 server),
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:
6.5

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2013-4396
BugTraq ID: 62892
http://www.securityfocus.com/bid/62892
Debian Security Information: DSA-2784 (Google Search)
http://www.debian.org/security/2013/dsa-2784
http://openwall.com/lists/oss-security/2013/10/08/6
http://lists.x.org/archives/xorg-announce/2013-October/002332.html
RedHat Security Advisories: RHSA-2013:1426
http://rhn.redhat.com/errata/RHSA-2013-1426.html
SuSE Security Announcement: openSUSE-SU-2013:1610 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html
SuSE Security Announcement: openSUSE-SU-2013:1614 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-10/msg00060.html
http://www.ubuntu.com/usn/USN-1990-1
CopyrightCopyright (c) 2013 Greenbone Networks GmbH

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