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MediaWiki: Multiple vulnerabilities

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201206-09 / MediaWiki
Release Date June 21, 2012
Latest Revision June 21, 2012: 1
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
www-apps/mediawiki < 1.18.2 >= 1.18.2 All supported architectures

Related bugreports: #366685, #409513

Synopsis

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

2.  Impact Information

Background

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

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.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All MediaWiki users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.18.2"

4.  References



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Page updated June 21, 2012

Summary: This is a Gentoo Linux Security Advisory

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