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Gentoo Linux Security Advisory                           GLSA 201510-05
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: MediaWiki: Multiple vulnerabilities
     Date: October 31, 2015
     Bugs: #545944, #557844
       ID: 201510-05

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Synopsis
========

Multiple vulnerabilities have been found in MediaWiki, the worst of
which may allow remote attackers to cause a Denial of Service.

Background
==========

MediaWiki is a collaborative editing software used by large projects
such as Wikipedia.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  www-apps/mediawiki           < 1.25.2                  >= 1.25.2
                                                           *>= 1.24.3
                                                          *>= 1.23.10

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 create a Denial of Service condition,
obtain sensitive information, bypass security restrictions, and inject
arbitrary web script or HTML.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MediaWiki 1.25 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.25.2"

All MediaWiki 1.24 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.24.3"

All MediaWiki 1.23 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.23.10"

References
==========

[  1 ] CVE-2015-2931
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2931
[  2 ] CVE-2015-2932
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2932
[  3 ] CVE-2015-2933
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2933
[  4 ] CVE-2015-2934
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2934
[  5 ] CVE-2015-2935
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2935
[  6 ] CVE-2015-2936
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2936
[  7 ] CVE-2015-2937
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2937
[  8 ] CVE-2015-2938
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2938
[  9 ] CVE-2015-2939
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2939
[ 10 ] CVE-2015-2940
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2940
[ 11 ] CVE-2015-2941
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2941
[ 12 ] CVE-2015-2942
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2942
[ 13 ] CVE-2015-6728
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6728
[ 14 ] CVE-2015-6729
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6729
[ 15 ] CVE-2015-6730
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6730
[ 16 ] CVE-2015-6731
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6731
[ 17 ] CVE-2015-6732
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6732
[ 18 ] CVE-2015-6733
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6733
[ 19 ] CVE-2015-6734
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6734
[ 20 ] CVE-2015-6735
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6735
[ 21 ] CVE-2015-6736
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6736
[ 22 ] CVE-2015-6737
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-6737

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

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

 https://security.gentoo.org/glsa/201510-05

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