National Cyber Awareness System

Vulnerability Summary for CVE-2011-1579

Overview

The checkCss function in includes/Sanitizer.php in the wikitext parser in MediaWiki before 1.16.3 does not properly validate Cascading Style Sheets (CSS) token sequences, which allows remote attackers to conduct cross-site scripting (XSS) attacks or obtain sensitive information by using the \2f\2a and \2a\2f hex strings to surround CSS comments.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2011-0978

Type: Advisory; Patch Information

Hyperlink:http://www.vupen.com/english/advisories/2011/0978

External Source: CONFIRM

Name: http://www.mediawiki.org/wiki/Special:Code/MediaWiki/85856

Type: Patch Information; Exploit

Hyperlink:http://www.mediawiki.org/wiki/Special:Code/MediaWiki/85856

External Source: CONFIRM

Name: https://bugzilla.wikimedia.org/show_bug.cgi?id=28450

Hyperlink:https://bugzilla.wikimedia.org/show_bug.cgi?id=28450

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=696360

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=696360

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=695577

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=695577

External Source: XF

Name: mediawiki-css-data-xss(66738)

Hyperlink:http://xforce.iss.net/xforce/xfdb/66738

External Source: VUPEN

Name: ADV-2011-1151

Hyperlink:http://www.vupen.com/english/advisories/2011/1151

External Source: VUPEN

Name: ADV-2011-1100

Hyperlink:http://www.vupen.com/english/advisories/2011/1100

External Source: BID

Name: 47354

Hyperlink:http://www.securityfocus.com/bid/47354

External Source: DEBIAN

Name: DSA-2366

Hyperlink:http://www.debian.org/security/2011/dsa-2366

External Source: SECUNIA

Name: 44142

Type: Advisory

Hyperlink:http://secunia.com/advisories/44142

External Source: MLIST

Name: [oss-security] 20110413 Re: CVE request: mediawiki 1.16.3

Hyperlink:http://openwall.com/lists/oss-security/2011/04/13/15

External Source: MLIST

Name: [mediawiki-announce] 20110412 MediaWiki security release 1.16.3

Type: Advisory

Hyperlink:http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000096.html

External Source: FEDORA

Name: FEDORA-2011-5807

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html

External Source: FEDORA

Name: FEDORA-2011-5812

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html

External Source: FEDORA

Name: FEDORA-2011-5848

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html

External Source: FEDORA

Name: FEDORA-2011-5495

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058588.html