Vulnerability identifier: #VU43740

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-2012-2965

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Resin
Other software / Other software solutions

Vendor: Caucho Technology

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Caucho Quercus, as distributed in Resin before 4.0.29, does not properly handle unspecified characters in the names of variables, which has unknown impact and remote attack vectors, related to an "HTTP Parameter Contamination" issue.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Resin: 2.0.0 - 4.0.27

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External links
http://caucho.com/resin-4.0/changes/changes.xtp
http://en.securitylab.ru/lab/
http://en.securitylab.ru/lab/PT-2012-05
http://www.kb.cert.org/vuls/id/309979

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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.