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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: bind security update
Advisory ID:       RHSA-2011:0845-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0845.html
Issue date:        2011-05-31
CVE Names:         CVE-2011-1910 
=====================================================================

1. Summary:

Updated bind and bind97 packages that fix one security issue are now
available for Red Hat Enterprise Linux 5 and 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.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

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.

An off-by-one flaw was found in the way BIND processed negative responses
with large resource record sets (RRSets). An attacker able to send
recursive queries to a BIND server that is configured as a caching
resolver could use this flaw to cause named to exit with an assertion
failure. (CVE-2011-1910)

All BIND users are advised to upgrade to these updated packages, which
resolve this issue. After installing the update, the BIND daemon (named)
will be restarted automatically.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

708301 - CVE-2011-1910 bind: Large RRSIG RRsets and Negative Caching can crash named

6. Package List:

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/bind97-9.7.0-6.P2.el5_6.2.src.rpm

i386:
bind97-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-chroot-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-utils-9.7.0-6.P2.el5_6.2.i386.rpm

x86_64:
bind97-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-chroot-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-utils-9.7.0-6.P2.el5_6.2.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/bind97-9.7.0-6.P2.el5_6.2.src.rpm

i386:
bind97-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-chroot-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-utils-9.7.0-6.P2.el5_6.2.i386.rpm

ia64:
bind97-9.7.0-6.P2.el5_6.2.ia64.rpm
bind97-chroot-9.7.0-6.P2.el5_6.2.ia64.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.ia64.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.ia64.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.ia64.rpm
bind97-utils-9.7.0-6.P2.el5_6.2.ia64.rpm

ppc:
bind97-9.7.0-6.P2.el5_6.2.ppc.rpm
bind97-chroot-9.7.0-6.P2.el5_6.2.ppc.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.ppc.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.ppc64.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.ppc.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.ppc64.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.ppc.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.ppc64.rpm
bind97-utils-9.7.0-6.P2.el5_6.2.ppc.rpm

s390x:
bind97-9.7.0-6.P2.el5_6.2.s390x.rpm
bind97-chroot-9.7.0-6.P2.el5_6.2.s390x.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.s390.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.s390x.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.s390.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.s390x.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.s390.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.s390x.rpm
bind97-utils-9.7.0-6.P2.el5_6.2.s390x.rpm

x86_64:
bind97-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-chroot-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-debuginfo-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-devel-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.i386.rpm
bind97-libs-9.7.0-6.P2.el5_6.2.x86_64.rpm
bind97-utils-9.7.0-6.P2.el5_6.2.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/bind-9.7.3-2.el6_1.P1.1.src.rpm

i386:
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-libs-9.7.3-2.el6_1.P1.1.i686.rpm
bind-utils-9.7.3-2.el6_1.P1.1.i686.rpm

x86_64:
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-libs-9.7.3-2.el6_1.P1.1.i686.rpm
bind-libs-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-utils-9.7.3-2.el6_1.P1.1.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/bind-9.7.3-2.el6_1.P1.1.src.rpm

i386:
bind-9.7.3-2.el6_1.P1.1.i686.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-devel-9.7.3-2.el6_1.P1.1.i686.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.i686.rpm

x86_64:
bind-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-devel-9.7.3-2.el6_1.P1.1.i686.rpm
bind-devel-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/bind-9.7.3-2.el6_1.P1.1.src.rpm

x86_64:
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-libs-9.7.3-2.el6_1.P1.1.i686.rpm
bind-libs-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-utils-9.7.3-2.el6_1.P1.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/bind-9.7.3-2.el6_1.P1.1.src.rpm

x86_64:
bind-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-devel-9.7.3-2.el6_1.P1.1.i686.rpm
bind-devel-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/bind-9.7.3-2.el6_1.P1.1.src.rpm

i386:
bind-9.7.3-2.el6_1.P1.1.i686.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-libs-9.7.3-2.el6_1.P1.1.i686.rpm
bind-utils-9.7.3-2.el6_1.P1.1.i686.rpm

ppc64:
bind-9.7.3-2.el6_1.P1.1.ppc64.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.ppc64.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.ppc.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.ppc64.rpm
bind-libs-9.7.3-2.el6_1.P1.1.ppc.rpm
bind-libs-9.7.3-2.el6_1.P1.1.ppc64.rpm
bind-utils-9.7.3-2.el6_1.P1.1.ppc64.rpm

s390x:
bind-9.7.3-2.el6_1.P1.1.s390x.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.s390x.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.s390.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.s390x.rpm
bind-libs-9.7.3-2.el6_1.P1.1.s390.rpm
bind-libs-9.7.3-2.el6_1.P1.1.s390x.rpm
bind-utils-9.7.3-2.el6_1.P1.1.s390x.rpm

x86_64:
bind-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-libs-9.7.3-2.el6_1.P1.1.i686.rpm
bind-libs-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-utils-9.7.3-2.el6_1.P1.1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/bind-9.7.3-2.el6_1.P1.1.src.rpm

i386:
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-devel-9.7.3-2.el6_1.P1.1.i686.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.i686.rpm

ppc64:
bind-debuginfo-9.7.3-2.el6_1.P1.1.ppc.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.ppc64.rpm
bind-devel-9.7.3-2.el6_1.P1.1.ppc.rpm
bind-devel-9.7.3-2.el6_1.P1.1.ppc64.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.ppc64.rpm

s390x:
bind-debuginfo-9.7.3-2.el6_1.P1.1.s390.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.s390x.rpm
bind-devel-9.7.3-2.el6_1.P1.1.s390.rpm
bind-devel-9.7.3-2.el6_1.P1.1.s390x.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.s390x.rpm

x86_64:
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-devel-9.7.3-2.el6_1.P1.1.i686.rpm
bind-devel-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/bind-9.7.3-2.el6_1.P1.1.src.rpm

i386:
bind-9.7.3-2.el6_1.P1.1.i686.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-libs-9.7.3-2.el6_1.P1.1.i686.rpm
bind-utils-9.7.3-2.el6_1.P1.1.i686.rpm

x86_64:
bind-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-chroot-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-libs-9.7.3-2.el6_1.P1.1.i686.rpm
bind-libs-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-utils-9.7.3-2.el6_1.P1.1.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/bind-9.7.3-2.el6_1.P1.1.src.rpm

i386:
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-devel-9.7.3-2.el6_1.P1.1.i686.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.i686.rpm

x86_64:
bind-debuginfo-9.7.3-2.el6_1.P1.1.i686.rpm
bind-debuginfo-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-devel-9.7.3-2.el6_1.P1.1.i686.rpm
bind-devel-9.7.3-2.el6_1.P1.1.x86_64.rpm
bind-sdb-9.7.3-2.el6_1.P1.1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-1910.html
https://access.redhat.com/security/updates/classification/#important
http://www.isc.org/software/bind/advisories/cve-2011-1910

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.
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