Vulnerability CVE-2013-4306
Published: 2013-10-11   Modified: 2013-10-12

Description:
Cross-site request forgery (CSRF) vulnerability in api/ApiQueryCheckUser.php in the CheckUser extension for MediaWiki, possibly Checkuser before 2.3, allows remote attackers to hijack the authentication of arbitrary users for requests that "perform sensitive write actions" via unspecified vectors.

Type:

CWE-352

 (Cross-Site Request Forgery (CSRF))

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Mediawiki -> Checkuser 
Mediawiki -> Mediawiki 

 References:
http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html
http://seclists.org/oss-sec/2013/q3/553
http://www.securityfocus.com/bid/62210
https://bugzilla.wikimedia.org/show_bug.cgi?id=45019
https://exchange.xforce.ibmcloud.com/vulnerabilities/86893
https://git.wikimedia.org/commit/mediawiki%2Fextensions%2FCheckUser.git/99ad25d066ce6111e798427cba7f21526827f651
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