[ GLSA 200506-12 ] MediaWiki: Cross-site scripting vulnerability

[Sune Kloppenborg Jeppesen <jaervosz () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200506-12
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: MediaWiki: Cross-site scripting vulnerability
      Date: June 13, 2005
      Bugs: #95255
        ID: 200506-12

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Synopsis
========

MediaWiki is vulnerable to a cross-site scripting attack that could
allow arbitrary scripting code execution.

Background
==========

MediaWiki is a collaborative editing software, used by big projects
like Wikipedia.

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

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  www-apps/mediawiki       < 1.4.5                         >= 1.4.5
                                                            *>= 1.3.13

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

MediaWiki incorrectly handles page template inclusions, rendering it
vulnerable to cross-site scripting attacks.

Impact
======

A remote attacker could exploit this vulnerability to inject malicious
script code that will be executed in a user's browser session in the
context of the vulnerable site.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MediaWiki users should upgrade to the latest available versions:

    # emerge --sync
    # emerge --ask --oneshot --verbose www-apps/mediawiki

References
==========

  [ 1 ] MediaWiki 1.4.5 Release Notes
        http://sourceforge.net/project/shownotes.php?release_id=332231

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

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

  http://security.gentoo.org/glsa/glsa-200506-12.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
http://bugs.gentoo.org.

License
=======

Copyright 2005 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/2.0

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