#VU41383 Cross-site request forgery in MediaWiki - CVE-2014-5241

Vulnerability identifier: #VU41383

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-5241

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MediaWiki
Web applications / CMS

Vendor: MediaWiki.org

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation
Install update from vendor's website.

Vulnerable software versions

MediaWiki: 1.19 - 1.19.16, 1.20.1 - 1.23.1

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External links
https://advisories.mageia.org/MGASA-2014-0309.html
https://openwall.com/lists/oss-security/2014/08/14/5
https://secunia.com/advisories/59738
https://www.debian.org/security/2014/dsa-3011
https://www.mandriva.com/security/advisories?name=MDVSA-2014:153
https://bugzilla.wikimedia.org/show_bug.cgi?id=68187
https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-July/000157.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.