MediaWiki < 1.19.8 / 1.20.7 / 1.21.2 Multiple Vulnerabilities

This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.


Synopsis :

The remote web server contains an application that is affected by
multiple vulnerabilities.

Description :

According to its version number, the instance of MediaWiki running on
the remote host is affected by the following vulnerabilities :

- The full installation path is disclosed in an error
message when an invalid language is specified in the
ResourceLoader. (CVE-2013-4301)

- Multiple cross-site request forgery vulnerabilities
exist in the API modules accessed through JSONP.
(CVE-2013-4302)

- A cross-site scripting vulnerability exists because
input submitted to the property name is not properly
sanitized. (CVE-2013-4303)

Additionally, the following extensions contain vulnerabilities but
are not enabled or installed by default (unless otherwise noted) :

- Authentication can be bypassed in the CentralAuth
extension by manipulating the 'centralauth_User' cookie.
(CVE-2013-4304)

- The SyntaxHighlight GeSHi extension is affected by a
cross-site scripting vulnerability because user input is
not properly sanitized when submitted to the
'example.php' script. This extension is installed but
not enabled by default on MediaWiki 1.21.x.
(CVE-2013-4305)

- The CheckUser extension is affected by a cross-site
request forgery vulnerability because it does not
properly validate HTTP requests. (CVE-2013-4306)

- The Wikibase extension is affected by a cross-site
scripting vulnerability because it does not properly
escape the labels in the 'In other languages' section of
entity view. (CVE-2013-4307)

- The LiquidThreads extensions is affected by a cross-site
scripting vulnerability because it does not properly
sanitize user input submitted to the LQT thread subject.
(CVE-2013-4308)

Note that Nessus has not tested for these issues but has instead
relied on the application's self-reported version number.

See also :

http://www.nessus.org/u?c39fbdab
https://www.mediawiki.org/wiki/Release_notes/1.19#MediaWiki_1.19.8
https://www.mediawiki.org/wiki/Release_notes/1.20#MediaWiki_1.20.7
https://www.mediawiki.org/wiki/Release_notes/1.21#MediaWiki_1.21.2

Solution :

Upgrade to MediaWiki version 1.19.8 / 1.20.7 / 1.21.2 or later.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.5
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true