GLSA-201311-18 : Unbound: Denial of Service

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


Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-201311-18
(Unbound: Denial of Service)

Multiple vulnerabilities have been discovered in Unbound. Please review
the CVE identifiers referenced below for details.

Impact :

A remote attacker could possibly cause a Denial of Service condition via
a specially crafted response.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-201311-18.xml

Solution :

All Unbound users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-dns/unbound-1.4.13_p2'

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.8
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 71120 ()

Bugtraq ID: 51115

CVE ID: CVE-2011-4528
CVE-2011-4869