Date: Mon, 28 Feb 2005 21:55:31 +0100
From: Thierry Carrez <koon@gentoo.org.>
To: gentoo-announce@lists.gentoo.org
Subject: [ GLSA 200502-33 ] MediaWiki: Multiple vulnerabilities
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Gentoo Linux Security Advisory GLSA 200502-33
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http://security.gentoo.org/
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Severity: Low
Title: MediaWiki: Multiple vulnerabilities
Date: February 28, 2005
Bugs: #80729, #82954
ID: 200502-33
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Synopsis
========
MediaWiki is vulnerable to cross-site scripting, data manipulation and
security bypass attacks.
Background
==========
MediaWiki is a collaborative editing software, used by big projects
like Wikipedia.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apps/mediawiki < 1.3.11 >= 1.3.11
Description
===========
A security audit of the MediaWiki project discovered that MediaWiki is
vulnerable to several cross-site scripting and cross-site request
forgery attacks, and that the image deletion code does not sufficiently
sanitize input parameters.
Impact
======
By tricking a user to load a carefully crafted URL, a remote attacker
could hijack sessions and authentication cookies to inject malicious
script code that will be executed in a user's browser session in
context of the vulnerable site, or use JavaScript submitted forms to
perform restricted actions. Using the image deletion flaw, it is also
possible for authenticated administrators to delete arbitrary files via
directory traversal.
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-1.3.11"
References
==========
[ 1 ] Secunia Advisory SA14125
http://secunia.com/advisories/14125/
[ 2 ] CAN-2005-0534
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0534
[ 3 ] CAN-2005-0535
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0535
[ 4 ] CAN-2005-0536
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0536
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200502-33.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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