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Gentoo Linux Security Advisory GLSA 200604-01
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http://security.gentoo.org/
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Severity: Low
Title: MediaWiki: Cross-site scripting vulnerability
Date: April 04, 2006
Bugs: #127971
ID: 200604-01

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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 < 1.4.15 >= 1.4.15

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

MediaWiki fails to decode certain encoded URLs correctly.

Impact
======

By supplying specially crafted links, a remote attacker could exploit
this vulnerability to inject malicious HTML or 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 version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.4.15"

References
==========

[ 1 ] CVE-2006-1498
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1498
[ 2 ] MediaWiki 1.4.15 Release Notes
http://sourceforge.net/project/shownotes.php?release_id=404869

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

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

http://security.gentoo.org/glsa/glsa-200604-01.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 (at) gentoo (dot) org [email concealed] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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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