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Test ID:1.3.6.1.4.1.25623.1.0.871352
Category:Red Hat Local Security Checks
Title:RedHat Update for xorg-x11-server RHSA-2015:0797-01
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 buffer over-read flaw was found in the way the X.Org server handled
XkbGetGeometry requests. A malicious, authorized client could use this flaw
to disclose portions of the X.Org server memory, or cause the X.Org server
to crash using a specially crafted XkbGetGeometry request. (CVE-2015-0255)

This issue was discovered by Olivier Fourdan of Red Hat.

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 Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Server (v. 7),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
6.4

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2015-0255
BugTraq ID: 72578
http://www.securityfocus.com/bid/72578
Debian Security Information: DSA-3160 (Google Search)
http://www.debian.org/security/2015/dsa-3160
https://security.gentoo.org/glsa/201504-06
http://www.mandriva.com/security/advisories?name=MDVSA-2015:119
RedHat Security Advisories: RHSA-2015:0797
http://rhn.redhat.com/errata/RHSA-2015-0797.html
SuSE Security Announcement: openSUSE-SU-2015:0337 (Google Search)
http://lists.opensuse.org/opensuse-updates/2015-02/msg00085.html
SuSE Security Announcement: openSUSE-SU-2015:0338 (Google Search)
http://lists.opensuse.org/opensuse-updates/2015-02/msg00086.html
http://www.ubuntu.com/usn/USN-2500-1
CopyrightCopyright (C) 2015 Greenbone Networks GmbH

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