[RHSA-2014:1244-01] Moderate: bind97 security and bug fix update

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Red Hat Security Advisory

 

Synopsis: Moderate: bind97 security and bug fix update

Advisory ID: RHSA-2014:1244-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1244.html

Issue date: 2014-09-16

CVE Names: CVE-2014-0591

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1. Summary:

 

Updated bind97 packages that fix one security issue and one bug are now

available for Red Hat Enterprise Linux 5.

 

Red Hat Product Security has rated this update as having Moderate 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:

 

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

Red Hat Enterprise Linux Desktop Workstation (v. 5 client) - i386, x86_64

 

3. Description:

 

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain

Name System (DNS) protocols. It contains a DNS server (named), a resolver

library with routines for applications to use when interfacing with DNS,

and tools for verifying that the DNS server is operating correctly.

These packages contain version 9.7 of the BIND suite.

 

A denial of service flaw was found in the way BIND handled queries for

NSEC3-signed zones. A remote attacker could use this flaw against an

authoritative name server that served NCES3-signed zones by sending a

specially crafted query, which, when processed, would cause named to crash.

(CVE-2014-0591)

 

Note: The CVE-2014-0591 issue does not directly affect the version of

bind97 shipped in Red Hat Enterprise Linux 5. This issue is being addressed

however to assure it is not introduced in future builds of bind97 (possibly

built with a different compiler or C library optimization).

 

This update also fixes the following bug:

 

* Previously, the bind97 initscript did not check for the existence of the

ROOTDIR variable when shutting down the named daemon. As a consequence,

some parts of the file system that are mounted when using bind97 in a

chroot environment were unmounted on daemon shut down, even if bind97 was

not running in a chroot environment. With this update, the initscript has

been fixed to check for the existence of the ROOTDIR variable when

unmounting some parts of the file system on named daemon shut down. Now,

when shutting down bind97 that is not running in a chroot environment, no

parts of the file system are unmounted. (BZ#1059118)

 

All bind97 users are advised to upgrade to these updated packages, which

contain backported patches to correct these issues. 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/articles/11258

 

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

 

1051717 - CVE-2014-0591 bind: named crash when handling malformed NSEC3-signed zones

 

6. Package List:

 

Red Hat Enterprise Linux Desktop Workstation (v. 5 client):

 

Source:

bind97-9.7.0-21.P2.el5.src.rpm

 

i386:

bind97-9.7.0-21.P2.el5.i386.rpm

bind97-chroot-9.7.0-21.P2.el5.i386.rpm

bind97-debuginfo-9.7.0-21.P2.el5.i386.rpm

bind97-devel-9.7.0-21.P2.el5.i386.rpm

bind97-libs-9.7.0-21.P2.el5.i386.rpm

bind97-utils-9.7.0-21.P2.el5.i386.rpm

 

x86_64:

bind97-9.7.0-21.P2.el5.x86_64.rpm

bind97-chroot-9.7.0-21.P2.el5.x86_64.rpm

bind97-debuginfo-9.7.0-21.P2.el5.i386.rpm

bind97-debuginfo-9.7.0-21.P2.el5.x86_64.rpm

bind97-devel-9.7.0-21.P2.el5.i386.rpm

bind97-devel-9.7.0-21.P2.el5.x86_64.rpm

bind97-libs-9.7.0-21.P2.el5.i386.rpm

bind97-libs-9.7.0-21.P2.el5.x86_64.rpm

bind97-utils-9.7.0-21.P2.el5.x86_64.rpm

 

Red Hat Enterprise Linux (v. 5 server):

 

Source:

bind97-9.7.0-21.P2.el5.src.rpm

 

i386:

bind97-9.7.0-21.P2.el5.i386.rpm

bind97-chroot-9.7.0-21.P2.el5.i386.rpm

bind97-debuginfo-9.7.0-21.P2.el5.i386.rpm

bind97-devel-9.7.0-21.P2.el5.i386.rpm

bind97-libs-9.7.0-21.P2.el5.i386.rpm

bind97-utils-9.7.0-21.P2.el5.i386.rpm

 

ia64:

bind97-9.7.0-21.P2.el5.ia64.rpm

bind97-chroot-9.7.0-21.P2.el5.ia64.rpm

bind97-debuginfo-9.7.0-21.P2.el5.ia64.rpm

bind97-devel-9.7.0-21.P2.el5.ia64.rpm

bind97-libs-9.7.0-21.P2.el5.ia64.rpm

bind97-utils-9.7.0-21.P2.el5.ia64.rpm

 

ppc:

bind97-9.7.0-21.P2.el5.ppc.rpm

bind97-chroot-9.7.0-21.P2.el5.ppc.rpm

bind97-debuginfo-9.7.0-21.P2.el5.ppc.rpm

bind97-debuginfo-9.7.0-21.P2.el5.ppc64.rpm

bind97-devel-9.7.0-21.P2.el5.ppc.rpm

bind97-devel-9.7.0-21.P2.el5.ppc64.rpm

bind97-libs-9.7.0-21.P2.el5.ppc.rpm

bind97-libs-9.7.0-21.P2.el5.ppc64.rpm

bind97-utils-9.7.0-21.P2.el5.ppc.rpm

 

s390x:

bind97-9.7.0-21.P2.el5.s390x.rpm

bind97-chroot-9.7.0-21.P2.el5.s390x.rpm

bind97-debuginfo-9.7.0-21.P2.el5.s390.rpm

bind97-debuginfo-9.7.0-21.P2.el5.s390x.rpm

bind97-devel-9.7.0-21.P2.el5.s390.rpm

bind97-devel-9.7.0-21.P2.el5.s390x.rpm

bind97-libs-9.7.0-21.P2.el5.s390.rpm

bind97-libs-9.7.0-21.P2.el5.s390x.rpm

bind97-utils-9.7.0-21.P2.el5.s390x.rpm

 

x86_64:

bind97-9.7.0-21.P2.el5.x86_64.rpm

bind97-chroot-9.7.0-21.P2.el5.x86_64.rpm

bind97-debuginfo-9.7.0-21.P2.el5.i386.rpm

bind97-debuginfo-9.7.0-21.P2.el5.x86_64.rpm

bind97-devel-9.7.0-21.P2.el5.i386.rpm

bind97-devel-9.7.0-21.P2.el5.x86_64.rpm

bind97-libs-9.7.0-21.P2.el5.i386.rpm

bind97-libs-9.7.0-21.P2.el5.x86_64.rpm

bind97-utils-9.7.0-21.P2.el5.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-2014-0591.html

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

 

8. Contact:

 

The Red Hat security contact is . More contact

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

 

Copyright 2014 Red Hat, Inc.

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