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To: gentoo-announce@g.o
From: Stefan Behte <craig@g.o>
Subject: [ GLSA 201206-09 ] MediaWiki: Multiple vulnerabilites
Date: Thu, 21 Jun 2012 20:13:21 +0200
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Gentoo Linux Security Advisory                           GLSA 201206-09
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                                            http://security.gentoo.org/
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 Severity: High
    Title: MediaWiki: Multiple vulnerabilites
     Date: June 21, 2012
     Bugs: #366685, #409513
       ID: 201206-09

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Synopsis
========

Multiple vulnerabilities have been found in MediaWiki, the worst of
which leading to remote execution of arbitrary code.

Background
==========

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

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  www-apps/mediawiki           < 1.18.2                  >= 1.18.2

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

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

Impact
======

MediaWiki allows remote attackers to bypass authentication, to perform
imports from any wgImportSources wiki via a crafted POST request, to
conduct cross-site scripting (XSS) attacks or obtain sensitive
information, to inject arbitrary web script or HTML, to conduct
clickjacking attacks, to execute arbitrary PHP code, to inject
arbitrary web script or HTML, to bypass intended access restrictions
and to obtain sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MediaWiki users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.18.2"

References
==========

[  1 ] CVE-2010-2787
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2787
[  2 ] CVE-2010-2788
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2788
[  3 ] CVE-2010-2789
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2789
[  4 ] CVE-2011-0003
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0003
[  5 ] CVE-2011-0047
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0047
[  6 ] CVE-2011-0537
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0537
[  7 ] CVE-2011-1579
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1579
[  8 ] CVE-2011-1580
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1580
[  9 ] CVE-2011-1766
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1766
[ 10 ] CVE-2011-1766
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1766
[ 11 ] CVE-2012-1578
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1578
[ 12 ] CVE-2012-1579
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1579
[ 13 ] CVE-2012-1580
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1580
[ 14 ] CVE-2012-1581
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1581
[ 15 ] CVE-2012-1582
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1582

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

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

 http://security.gentoo.org/glsa/glsa-201206-09.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@g.o or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2012 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

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Updated Jun 25, 2012

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