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Red Hat Enterprise Linux 6 RHSA-2014:0043-01 Moderate: Bind DoS

red hat
Calendar Grey January 20, 2014
Dist Redhat Esm H88
An essential security patch for Red Hat Enterprise Linux 6 has been released, targeting a denial of service vulnerability. Users are advised to apply this update promptly.
Updated bind packages that fix one security issue are now available for Red Hat Enterprise Linux 6

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/site/articles/11258

Summary

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 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)
All bind users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the update, the BIND daemon (named) will be restarted automatically.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat bind DoS security fix

References

https://access.redhat.com/security/cve/CVE-2014-0591 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source:
i386: bind-debuginfo-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-libs-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-utils-9.8.2-0.23.rc1.el6_5.1.i686.rpm
x86_64: bind-debuginfo-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-debuginfo-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm bind-libs-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-libs-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm bind-utils-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source:
i386: bind-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-chroot-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-debuginfo-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-devel-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-sdb-9.8.2-0.23.rc1.el6_5.1.i686.rpm
x86_64: bind-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm bind-chroot-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm bind-debuginfo-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-debuginfo-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm bind-devel-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-devel-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm bind-sdb-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
x86_64: bind-debuginfo-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-debuginfo-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm bind-libs-9.8.2-0.23.rc1.el6_5.1.i686.rpm bind-libs-9.8.2-0.23.rc1.el6_5.1.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2014:0043-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2014:0043.html
Issue date: 2014-01-20

Topic

Updated bind packages that fix one security issue are now available for RedHat Enterprise Linux 6.The Red Hat Security Response Team has rated this update as having moderatesecurity impact. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available from the CVE link inthe References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat bind DoS security fix

Relevant Releases Architectures

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

Bugs Fixed

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

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