Important: bind security update

Related Vulnerabilities: CVE-2014-8500   CVE-2014-8500  

Synopsis

Important: bind security update

Type/Severity

Security Advisory: Important

Topic

Updated bind packages that fix one security issue are now available for Red
Hat Enterprise Linux 5, 6, and 7.

Red Hat Product Security 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.

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 way BIND followed DNS
delegations. A remote attacker could use a specially crafted zone
containing a large number of referrals which, when looked up and processed,
would cause named to use excessive amounts of memory or crash.
(CVE-2014-8500)

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.

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

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Server 5 x86_64
  • Red Hat Enterprise Linux Server 5 ia64
  • Red Hat Enterprise Linux Server 5 i386
  • Red Hat Enterprise Linux Server - Extended Update Support 7.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 7.5 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 7.4 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 7.3 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 6.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 6.6 i386
  • Red Hat Enterprise Linux Server - AUS 7.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 6.6 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Workstation 5 x86_64
  • Red Hat Enterprise Linux Workstation 5 i386
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux Desktop 5 x86_64
  • Red Hat Enterprise Linux Desktop 5 i386
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for IBM z Systems 5 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.5 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.4 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.3 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.6 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Power, big endian 5 ppc
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.5 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.4 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.3 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.6 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 7 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 x86_64
  • Red Hat Enterprise Linux Server from RHUI 6 i386
  • Red Hat Enterprise Linux Server from RHUI 5 x86_64
  • Red Hat Enterprise Linux Server from RHUI 5 i386
  • Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6 i386
  • Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
  • Red Hat Enterprise Linux EUS Compute Node 7.5 x86_64
  • Red Hat Enterprise Linux EUS Compute Node 7.4 x86_64
  • Red Hat Enterprise Linux EUS Compute Node 7.3 x86_64
  • Red Hat Enterprise Linux EUS Compute Node 6.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.3 x86_64
  • Red Hat Enterprise Linux Server - TUS 7.6 x86_64
  • Red Hat Enterprise Linux Server - TUS 7.3 x86_64
  • Red Hat Enterprise Linux Server - TUS 6.6 x86_64
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.4 x86_64
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.3 x86_64

Fixes

  • BZ - 1171912 - CVE-2014-8500 bind: delegation handling denial of service

CVEs

References