bugtraq - [ GLSA 200507-18 ] MediaWiki: Cross-site scripting vulnerability

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Date: Wed, 20 Jul 2005 09:35:57 +0200
From: Thierry Carrez <koon@...too.org>
To: gentoo-announce@...ts.gentoo.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200507-18 ] MediaWiki: Cross-site
	scripting vulnerability

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Gentoo Linux Security Advisory                           GLSA 200507-18
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: MediaWiki: Cross-site scripting vulnerability
      Date: July 20, 2005
      Bugs: #99132
        ID: 200507-18

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Synopsis
========

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

Background
==========

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

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

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  www-apps/mediawiki       < 1.4.7                         >= 1.4.7

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

MediaWiki fails to escape a parameter in the page move template
correctly.

Impact
======

By enticing a user to visit a specially crafted URL, a remote attacker
could exploit this vulnerability to inject malicious JavaScript 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 version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.4.7"

References
==========

  [ 1 ] MediaWiki 1.4.7 Release Notes
        http://sourceforge.net/project/shownotes.php?release_id=342530

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

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

  http://security.gentoo.org/glsa/glsa-200507-18.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@...too.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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