Vulnerability identifier: #VU43744

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-2969

CWE-ID: CWE-264

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 manipulate or delete data.

Caucho Quercus, as distributed in Resin before 4.0.29, allows remote attackers to bypass intended restrictions on filename extensions for created files via a %00 sequence in a pathname within an HTTP request.

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.