MediaWiki: Multiple vulnerabilities Multiple vulnerabilities have been found in MediaWiki, the worst of which leading to remote execution of arbitrary code. MediaWiki June 21, 2012 June 21, 2012: 1 366685 409513 remote 1.18.2 1.18.2

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

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

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.

There is no known workaround at this time.

All MediaWiki users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=www-apps/mediawiki-1.18.2" CVE-2010-2787 CVE-2010-2788 CVE-2010-2789 CVE-2011-0003 CVE-2011-0047 CVE-2011-0537 CVE-2011-1579 CVE-2011-1580 CVE-2011-1766 CVE-2011-1766 CVE-2012-1578 CVE-2012-1579 CVE-2012-1580 CVE-2012-1581 CVE-2012-1582 craig craig