Input validation error in www.dest-unreach socat

1) Input validation error

EUVDB-ID: #VU33085

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2015-1379

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The signal handler implementations in socat before 1.7.3.0 and 2.0.0-b8 allow remote attackers to cause a denial of service (process freeze or crash).

Mitigation

Install update from vendor's website.

Vulnerable software versions

socat: 1.7.2.2

CPE2.3

• cpe:2.3:a:www.dest-unreach.org:socat:1.7.2.2:*:*:*:*:*:*:*

External links

https://www.dest-unreach.org/socat/
https://www.openwall.com/lists/oss-security/2015/01/27/19
https://www.openwall.com/lists/oss-security/2015/04/06/4
https://www.securityfocus.com/bid/72321
https://bugzilla.redhat.com/show_bug.cgi?id=1185711

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.