Vulnerability identifier: #VU42365

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-2013-4555

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SPIP
Web applications / CMS

Vendor: spip.net

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

SPIP: 2.0.0 - 2.0.22, 2.1.1 - 2.1.22

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External links
http://core.spip.org/projects/spip/repository/revisions/20874
http://secunia.com/advisories/55551
http://www.openwall.com/lists/oss-security/2013/11/10/4
http://www.securitytracker.com/id/1029317
http://www.spip.net/fr_article5646.html
http://www.debian.org/security/2013/dsa-2794

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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.