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Red Hat Security Advisory 2013-0690-01

Red Hat Security Advisory 2013-0690-01
Posted Mar 29, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0690-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly. A denial of service flaw was found in the libdns library. A remote attacker could use this flaw to send a specially-crafted DNS query to named that, when processed, would cause named to use an excessive amount of memory, or possibly crash. Note: This update disables the syntax checking of NAPTR resource records.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2013-2266
MD5 | fce351f8b68afdcd0216c43bbe76c25b

Red Hat Security Advisory 2013-0690-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: bind97 security update
Advisory ID: RHSA-2013:0690-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0690.html
Issue date: 2013-03-28
CVE Names: CVE-2013-2266
=====================================================================

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.

A denial of service flaw was found in the libdns library. A remote attacker
could use this flaw to send a specially-crafted DNS query to named that,
when processed, would cause named to use an excessive amount of memory, or
possibly crash. (CVE-2013-2266)

Note: This update disables the syntax checking of NAPTR (Naming Authority
Pointer) resource records.

All bind97 users are advised to upgrade to these updated packages, which
contain a patch to 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/):

928027 - CVE-2013-2266 bind: libdns regular expressions excessive resource consumption DoS

6. Package List:

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/bind97-9.7.0-17.P2.el5_9.1.src.rpm

i386:
bind97-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-chroot-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-utils-9.7.0-17.P2.el5_9.1.i386.rpm

x86_64:
bind97-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-chroot-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-utils-9.7.0-17.P2.el5_9.1.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/bind97-9.7.0-17.P2.el5_9.1.src.rpm

i386:
bind97-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-chroot-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-utils-9.7.0-17.P2.el5_9.1.i386.rpm

ia64:
bind97-9.7.0-17.P2.el5_9.1.ia64.rpm
bind97-chroot-9.7.0-17.P2.el5_9.1.ia64.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.ia64.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.ia64.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.ia64.rpm
bind97-utils-9.7.0-17.P2.el5_9.1.ia64.rpm

ppc:
bind97-9.7.0-17.P2.el5_9.1.ppc.rpm
bind97-chroot-9.7.0-17.P2.el5_9.1.ppc.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.ppc.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.ppc64.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.ppc.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.ppc64.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.ppc.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.ppc64.rpm
bind97-utils-9.7.0-17.P2.el5_9.1.ppc.rpm

s390x:
bind97-9.7.0-17.P2.el5_9.1.s390x.rpm
bind97-chroot-9.7.0-17.P2.el5_9.1.s390x.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.s390.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.s390x.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.s390.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.s390x.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.s390.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.s390x.rpm
bind97-utils-9.7.0-17.P2.el5_9.1.s390x.rpm

x86_64:
bind97-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-chroot-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-debuginfo-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-devel-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.i386.rpm
bind97-libs-9.7.0-17.P2.el5_9.1.x86_64.rpm
bind97-utils-9.7.0-17.P2.el5_9.1.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-2013-2266.html
https://access.redhat.com/security/updates/classification/#important
http://www.isc.org/software/bind/advisories/cve-2013-2266

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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