GLSA 201206-09: MediaWiki: Multiple vulnerabilities

Severity:high
Title:MediaWiki: Multiple vulnerabilities
Date:06/21/2012
Bugs: #366685, #409513
ID:201206-09

Synopsis

Multiple vulnerabilities have been found in MediaWiki, the worst of which leading to remote execution of arbitrary code.

Background

The MediaWiki wiki web application as used on wikipedia.org.

Affected packages

Package Vulnerable Unaffected Architecture(s)
www-apps/mediawiki < 1.18.2 >= 1.18.2 All supported architectures

Description

Multiple vulnerabilities have been discovered in mediawiki. Please review the CVE identifiers referenced below for details.

Impact

MediaWiki allows remote attackers to bypass authentication, to perform imports from any wgImportSources wiki via a crafted POST request, to conduct cross-site scripting (XSS) attacks or obtain sensitive information, to inject arbitrary web script or HTML, to conduct clickjacking attacks, to execute arbitrary PHP code, to inject arbitrary web script or HTML, to bypass intended access restrictions and to obtain sensitive information.

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-1.18.2"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201206-09.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.

License

Copyright 2010 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.

Thank you!