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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