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Gentoo Linux Security Advisory                           GLSA 201502-04
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                                            https://security.gentoo.org/
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 Severity: High
    Title: MediaWiki: Multiple vulnerabilities
     Date: February 07, 2015
     Bugs: #498064, #499632, #503012, #506018, #515138, #518608,
           #523852, #524364, #532920
       ID: 201502-04

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Synopsis
=======
Multiple vulnerabilities have been found in MediaWiki, the worst of
which may allow remote attackers to execute arbitrary code.

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

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  www-apps/mediawiki           < 1.23.8                  >= 1.23.8
                                                          *>= 1.22.15
                                                          *>= 1.19.23

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

Impact
=====
A remote attacker may be able to execute arbitrary code with the
privileges of the process, 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 1.23 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.23.8"

All MediaWiki 1.22 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.22.15"

All MediaWiki 1.19 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.19.23"

References
=========
[  1 ] CVE-2013-6451
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6451
[  2 ] CVE-2013-6452
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6452
[  3 ] CVE-2013-6453
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6453
[  4 ] CVE-2013-6454
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6454
[  5 ] CVE-2013-6472
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6472
[  6 ] CVE-2014-1610
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1610
[  7 ] CVE-2014-2242
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2242
[  8 ] CVE-2014-2243
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2243
[  9 ] CVE-2014-2244
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2244
[ 10 ] CVE-2014-2665
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2665
[ 11 ] CVE-2014-2853
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2853
[ 12 ] CVE-2014-5241
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5241
[ 13 ] CVE-2014-5242
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5242
[ 14 ] CVE-2014-5243
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5243
[ 15 ] CVE-2014-7199
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7199
[ 16 ] CVE-2014-7295
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7295
[ 17 ] CVE-2014-9276
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9276
[ 18 ] CVE-2014-9277
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9277
[ 19 ] CVE-2014-9475
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9475
[ 20 ] CVE-2014-9476
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9476
[ 21 ] CVE-2014-9477
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9477
[ 22 ] CVE-2014-9478
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9478
[ 23 ] CVE-2014-9479
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9479
[ 24 ] CVE-2014-9480
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9480
[ 25 ] CVE-2014-9481
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9481
[ 26 ] CVE-2014-9487
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9487
[ 27 ] CVE-2014-9507
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9507
[ 28 ] MediaWiki Security and Maintenance Releases: 1.19.17, 1.21.11,
       1.22.8 and 1.23.1

https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/message/I6ES5OYZ3T2CS75LFHBZOZZBZDKJF5CD/

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

 https://security.gentoo.org/glsa/201502-04

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.

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