RHEL 6 : bind (RHSA-2012:1549)

This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated bind packages that fix one security issue are now available
for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System
(CVSS) base score, which gives a detailed severity rating, is
available from the CVE link in the References section.

The Berkeley Internet Name Domain (BIND) is an implementation of the
Domain Name System (DNS) protocols. BIND includes a DNS server
(named)
a resolver library (routines for applications to use when
interfacing with DNS)
and tools for verifying that the DNS server is
operating correctly. DNS64 is used to automatically generate DNS
records so IPv6 based clients can access IPv4 systems through a NAT64
server.

A flaw was found in the DNS64 implementation in BIND. If a remote
attacker sent a specially crafted query to a named server, named could
exit unexpectedly with an assertion failure. Note that DNS64 support
is not enabled by default. (CVE-2012-5688)

Users of bind are advised to upgrade to these updated packages, which
correct this issue. After installing the update, the BIND daemon
(named) will be restarted automatically.

See also :

https://www.redhat.com/security/data/cve/CVE-2012-5688.html
http://www.isc.org/software/bind/advisories/cve-2012-5688
http://rhn.redhat.com/errata/RHSA-2012-1549.html

Solution :

Update the affected packages.

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: Red Hat Local Security Checks

Nessus Plugin ID: 63182 ()

Bugtraq ID: 56817

CVE ID: CVE-2012-5688