ShadowIRCd m_capab.c Denial of Service

This script is Copyright (C) 2013-2014 Tenable Network Security, Inc.

Synopsis :

The remote chat server is affected by a denial of service

Description :

The remote host is running a version of ShadowIRCd that is affected by
a denial of service (DoS) vulnerability. An issue exists in the 'CAPAB'
module in 'm_capab.c' that causes servers to improperly handle
negotiation handshakes.

An unauthenticated, remote attacker could exploit this issue with a
specially crafted request, impacting the availability of the service.

See also :

Solution :

Upgrade to ShadowIRCd 6.3.3 or later.

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : true

Family: Misc.

Nessus Plugin ID: 65198 ()

Bugtraq ID: 57085

CVE ID: CVE-2012-6084

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