Vulnerability identifier: #VU44224

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-0317

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Movable Type
Web applications / CMS

Vendor: Six Apart Ltd

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

Movable Type: 4.0 - 5.12

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External links
http://jvn.jp/en/jp/JVN70683217/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2012-000015
http://www.debian.org/security/2012/dsa-2423
http://www.movabletype.org/2012/02/movable_type_513_507_and_438_security_updates.html
http://www.movabletype.org/documentation/appendices/release-notes/513.html
http://www.securityfocus.com/bid/52138
http://www.securitytracker.com/id?1026738

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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.