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Gentoo Linux Security Advisory                           GLSA 201704-03
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                                           https://security.gentoo.org/
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 Severity: High
    Title: X.Org: Multiple vulnerabilities
     Date: April 10, 2017
     Bugs: #596182, #611350, #611352, #611354
       ID: 201704-03

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Synopsis
=======
Multiple vulnerabilities have been found in X.Org  server and
libraries, the worse of which allowing local attackers to execute
arbitrary code.

Background
=========
X.Org X servers
Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  x11-base/xorg-server         < 1.19.2                  >= 1.19.2
  2  x11-libs/libICE             < 1.0.9-r1               >= 1.0.9-r1
  3  x11-libs/libXdmcp           < 1.1.2-r1               >= 1.1.2-r1
  4  x11-libs/libXrender          < 0.9.10                  >= 0.9.10
  5  x11-libs/libXi               < 1.7.7                    >= 1.7.7
  6  x11-libs/libXrandr           < 1.5.1                    >= 1.5.1
  7  x11-libs/libXfixes           < 5.0.3                    >= 5.0.3
  8  x11-libs/libXv               < 1.0.11                  >= 1.0.11
    -------------------------------------------------------------------
     8 affected packages

Description
==========
Multiple vulnerabilities have been discovered in X.Org server and
libraries. Please review the CVE identifiers referenced below for
details.

Impact
=====
A local or remote users can utilize the vulnerabilities to attach to
the X.Org session as a user and execute arbitrary code.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All X.Org-server users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.19.2"

All libICE users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libICE-1.0.9-r1"

All libXdmcp users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libXdmcp-1.1.2-r1"

All libXrender users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libXrender-0.9.10"

All libXi users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libXi-1.7.7"

All libXrandr users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libXrandr-1.5.1"

All libXfixes users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libXfixes-5.0.3"

All libXv users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libXv-1.0.11"

References
=========
[  1 ] CVE-2016-5407
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-5407
[  2 ] CVE-2016-7942
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7942
[  3 ] CVE-2016-7943
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7943
[  4 ] CVE-2016-7944
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7944
[  5 ] CVE-2016-7945
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7945
[  6 ] CVE-2016-7946
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7946
[  7 ] CVE-2016-7947
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7947
[  8 ] CVE-2016-7948
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7948
[  9 ] CVE-2016-7949
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7949
[ 10 ] CVE-2016-7950
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7950
[ 11 ] CVE-2016-7953
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7953
[ 12 ] CVE-2017-2624
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2624
[ 13 ] CVE-2017-2625
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2625
[ 14 ] CVE-2017-2626
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-2626

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

 https://security.gentoo.org/glsa/201704-03

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 2017 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.

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