Vulnerability identifier: #VU40976

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-2014-9438

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
vBulletin
Web applications / Forum & blogging software

Vendor: vBulletin

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

vBulletin: 4.2.2

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External links
http://packetstormsecurity.com/files/129619/vBulletin-Moderator-Control-Panel-4.2.2-CSRF.html
http://exchange.xforce.ibmcloud.com/vulnerabilities/99472
http://rstforums.com/forum/88810-csrf-vbulletin-modcp.rst

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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.