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Gentoo Linux Security Advisory                           GLSA 201310-21
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: MediaWiki: Multiple vulnerabilities
     Date: October 28, 2013
     Bugs: #460352, #466124, #468110, #471140, #483594
       ID: 201310-21

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Synopsis
========

Multiple vulnerabilities have been found in MediaWiki, the worst of
which could lead to Denial of Service.

Background
==========

The MediaWiki wiki web application as used on wikipedia.org.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  www-apps/mediawiki           < 1.21.2                  >= 1.21.2
                                                           *>= 1.20.7
                                                           *>= 1.19.8

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

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

Impact
======

A remote attacker may be able to execute arbitrary code, perform
man-in-the-middle attacks, obtain sensitive information or perform
cross-site scripting attacks.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MediaWiki 1.21.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.21.2"

All MediaWiki 1.20.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.20.7"

All MediaWiki 1.19.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.19.8"

References
==========

[  1 ] CVE-2013-1816
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1816
[  2 ] CVE-2013-1817
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1817
[  3 ] CVE-2013-1818
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1818
[  4 ] CVE-2013-1951
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1951
[  5 ] CVE-2013-2031
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2031
[  6 ] CVE-2013-2032
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2032
[  7 ] CVE-2013-2114
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2114
[  8 ] CVE-2013-4301
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4301
[  9 ] CVE-2013-4302
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4302
[ 10 ] CVE-2013-4303
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4303
[ 11 ] CVE-2013-4304
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4304
[ 12 ] CVE-2013-4305
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4305
[ 13 ] CVE-2013-4306
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4306
[ 14 ] CVE-2013-4307
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4307
[ 15 ] CVE-2013-4308
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4308

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

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

 http://security.gentoo.org/glsa/glsa-201310-21.xml

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 2013 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