GLSA 200604-01: MediaWiki: Cross-site scripting vulnerability

http://security.gentoo.org/

Severity:	low
Title:	MediaWiki: Cross-site scripting vulnerability
Date:	04/04/2006
Bugs:	#127971
ID:	200604-01

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	Architecture(s)
www-apps/mediawiki	< 1.4.15	>= 1.4.15	All supported architectures

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

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 https://bugs.gentoo.org.