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[RHSA-2012:1122-01] Important: bind97 security update

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Red Hat Security Advisory

 

Synopsis: Important: bind97 security update

Advisory ID: RHSA-2012:1122-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1122.html

Issue date: 2012-07-31

CVE Names: CVE-2012-3817

=====================================================================

 

1. Summary:

 

Updated bind97 packages that fix one security issue are now available for

Red Hat Enterprise Linux 5.

 

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

 

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 uninitialized data structure use flaw was found in BIND when DNSSEC

validation was enabled. A remote attacker able to send a large number of

queries to a DNSSEC vali[censored] BIND resolver could use this flaw to cause

it to exit unexpectedly with an assertion failure. (CVE-2012-3817)

 

Users of bind97 are advised to upgrade to these updated packages, which

correct 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/knowledge/articles/11258

 

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

 

842897 - CVE-2012-3817 bind: heavy DNSSEC validation load can cause assertion failure

 

6. Package List:

 

RHEL Desktop Workstation (v. 5 client):

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/bind97-9.7.0-10.P2.el5_8.2.src.rpm

 

i386:

bind97-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-chroot-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-utils-9.7.0-10.P2.el5_8.2.i386.rpm

 

x86_64:

bind97-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-chroot-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-utils-9.7.0-10.P2.el5_8.2.x86_64.rpm

 

Red Hat Enterprise Linux (v. 5 server):

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/bind97-9.7.0-10.P2.el5_8.2.src.rpm

 

i386:

bind97-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-chroot-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-utils-9.7.0-10.P2.el5_8.2.i386.rpm

 

ia64:

bind97-9.7.0-10.P2.el5_8.2.ia64.rpm

bind97-chroot-9.7.0-10.P2.el5_8.2.ia64.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.ia64.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.ia64.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.ia64.rpm

bind97-utils-9.7.0-10.P2.el5_8.2.ia64.rpm

 

ppc:

bind97-9.7.0-10.P2.el5_8.2.ppc.rpm

bind97-chroot-9.7.0-10.P2.el5_8.2.ppc.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.ppc.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.ppc64.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.ppc.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.ppc64.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.ppc.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.ppc64.rpm

bind97-utils-9.7.0-10.P2.el5_8.2.ppc.rpm

 

s390x:

bind97-9.7.0-10.P2.el5_8.2.s390x.rpm

bind97-chroot-9.7.0-10.P2.el5_8.2.s390x.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.s390.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.s390x.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.s390.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.s390x.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.s390.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.s390x.rpm

bind97-utils-9.7.0-10.P2.el5_8.2.s390x.rpm

 

x86_64:

bind97-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-chroot-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-debuginfo-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-devel-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.i386.rpm

bind97-libs-9.7.0-10.P2.el5_8.2.x86_64.rpm

bind97-utils-9.7.0-10.P2.el5_8.2.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-2012-3817.html

https://access.redhat.com/security/updates/classification/#important

http://www.isc.org/software/bind/advisories/cve-2012-3817

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2012 Red Hat, Inc.

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