Vulnerability identifier: #VU88754

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-2013-2134

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 execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker can execute arbitrary OGNL code via a request with a crafted action name that is not properly handled during wildcard matching

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Struts: 2.0.0 - 2.3.14.2

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External links
http://security.gentoo.org/glsa/glsa-201409-04.xml
http://struts.apache.org/development/2.x/docs/s2-015.html
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
http://www.oracle.com/technetwork/topics/security/cpuoct2013-1899837.html
http://www.securityfocus.com/bid/60346
http://www.securityfocus.com/bid/64758
http://cwiki.apache.org/confluence/display/WW/S2-015

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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.