GLSA 201502-04: MediaWiki: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	MediaWiki: Multiple vulnerabilities
Date:	02/07/2015
Bugs:	#498064, #499632, #503012, #506018, #515138, #518608, #523852, #524364, #532920
ID:	201502-04

Synopsis

Multiple vulnerabilities have been found in MediaWiki, the worst of which may allow remote attackers to execute arbitrary code.

Background

MediaWiki is a collaborative editing software used by large projects such as Wikipedia.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
www-apps/mediawiki	< 1.23.8	>= 1.23.8	All supported architectures

Description

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

Impact

A remote attacker may be able to execute arbitrary code with the privileges of the process, create a Denial of Service condition, obtain sensitive information, bypass security restrictions, and inject arbitrary web script or HTML.

Workaround

There is no known workaround at this time.

Resolution

All MediaWiki 1.23 users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.23.8"

All MediaWiki 1.22 users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.22.15"

All MediaWiki 1.19 users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.19.23"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201502-04.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.