#VU41710 Input validation error in socat - CVE-2013-3571

Vulnerability identifier: #VU41710

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-3571

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
socat
Other software / Other software solutions

Vendor: www.dest-unreach.org

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

socat: 1.2.0.0 - 2.0.0

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External links
https://www.dest-unreach.org/socat/contrib/socat-secadv4.html
https://www.mandriva.com/security/advisories?name=MDVSA-2013:169
https://www.openwall.com/lists/oss-security/2013/05/26/1

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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.