Vulnerability identifier: #VU49061

Vulnerability risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2012-0392

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apache Struts
Server applications / Frameworks for developing and running applications

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper access restrictions within the CookieInterceptor component in Apache Struts. A remote attacker can send a specially crafted HTTP Cookie header that triggers Java code execution through a static method and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Struts: 2.1.0 - 2.3.1

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External links
http://archives.neohapsis.com/archives/bugtraq/2012-01/0031.html
http://secunia.com/advisories/47393
http://struts.apache.org/2.x/docs/s2-008.html
http://struts.apache.org/2.x/docs/version-notes-2311.html
http://www.exploit-db.com/exploits/18329
http://lists.immunityinc.com/pipermail/dailydave/2012-January/000011.html
http://www.sec-consult.com/files/20120104-0_Apache_Struts2_Multiple_Critical_Vulnerabilities.txt

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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. However, proof of concept for this vulnerability is available.