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Gentoo Linux Security Advisory GLSA 201504-06
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https://security.gentoo.org/
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Severity: High
Title: X.Org X Server: Multiple vulnerabilities
Date: April 17, 2015
Bugs: #532086, #539692
ID: 201504-06

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Synopsis
========

Multiple vulnerabilities have been found in X.Org X Server, allowing
attackers to execute arbitrary code or cause a Denial of Service
condition.

Background
==========

The X Window System is a graphical windowing system based on a
client/server model.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 x11-base/xorg-server < 1.12.4-r4 >= 1.12.4-r4

Description
===========

Multiple vulnerabilities have been discovered in X.Org X Server. Please
review the CVE identifiers referenced below for details.

Impact
======

A remote attacker could possibly execute arbitrary code with the
privileges of the process or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All X.Org X Server users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=x11-base/xorg-server-1.12.4-r4”

References
==========

[ 1 ] CVE-2014-8091
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8091
[ 2 ] CVE-2014-8092
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8092
[ 3 ] CVE-2014-8093
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8093
[ 4 ] CVE-2014-8094
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8094
[ 5 ] CVE-2014-8095
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8095
[ 6 ] CVE-2014-8096
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8096
[ 7 ] CVE-2014-8097
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8097
[ 8 ] CVE-2014-8098
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8098
[ 9 ] CVE-2014-8099
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8099
[ 10 ] CVE-2014-8100
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8100
[ 11 ] CVE-2014-8101
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8101
[ 12 ] CVE-2014-8102
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8102
[ 13 ] CVE-2014-8103
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8103
[ 14 ] CVE-2015-0255
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0255

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201504-06

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2015 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5

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