A new security update has been released for Gentoo Linux - MediaWiki: Cross-site scripting vulnerability. Here the announcement:
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
=================
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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@gentoo.org 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
