GLSA-201006-21 : UnrealIRCd: Multiple vulnerabilities

This script is Copyright (C) 2010-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-201006-21
(UnrealIRCd: Multiple vulnerabilities)

Multiple vulnerabilities have been reported in UnrealIRCd:
The vendor reported a buffer overflow in the user authorization
code (CVE-2009-4893).
The vendor reported that the distributed source code of UnrealIRCd
was compromised and altered to include a system() call that could be
called with arbitrary user input (CVE-2010-2075).

Impact :

A remote attacker could exploit these vulnerabilities to cause the
execution of arbitrary commands with the privileges of the user running
UnrealIRCd, or a Denial of Service condition. NOTE: By default
UnrealIRCd on Gentoo is run with the privileges of the 'unrealircd'

Workaround :

There is no known workaround at this time.

See also :

Solution :

All UnrealIRCd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-irc/unrealircd-'

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.5
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 47016 (gentoo_GLSA-201006-21.nasl)

Bugtraq ID: 40820

CVE ID: CVE-2009-4893