Vulnerability identifier: #VU43742

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-2012-2967

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 implement the == (equals sign equals sign) operator for comparisons, which has unspecified impact and context-dependent attack vectors.

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.