Important: bind security update

Related Vulnerabilities: CVE-2017-3145   CVE-2017-3145   CVE-2017-3145  

Synopsis

Important: bind security update

Type/Severity

Security Advisory: Important

Topic

An update for bind is now available for Red Hat Enterprise Linux 6.4 Advanced Update Support, Red Hat Enterprise Linux 6.5 Advanced Update Support, Red Hat Enterprise Linux 6.6 Advanced Update Support, Red Hat Enterprise Linux 6.6 Telco Extended Update Support, and Red Hat Enterprise Linux 6.7 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) 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.

Security Fix(es):

  • bind: Improper fetch cleanup sequencing in the resolver can cause named to crash (CVE-2017-3145)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank ISC for reporting this issue. Upstream acknowledges Jayachandran Palanisamy (Cygate AB) as the original reporter.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, the BIND daemon (named) will be restarted automatically.

Affected Products

  • Red Hat Enterprise Linux Server - Extended Update Support 6.7 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 6.7 i386
  • Red Hat Enterprise Linux Server - AUS 6.5 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.7 s390x
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.7 ppc64
  • Red Hat Enterprise Linux EUS Compute Node 6.7 x86_64
  • Red Hat Enterprise Linux Server - AUS 6.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 6.4 x86_64
  • RHEL for SAP HANA - Extended Update Support 6.7 x86_64
  • Red Hat Enterprise Linux Server - TUS 6.6 x86_64

Fixes

  • BZ - 1534812 - CVE-2017-3145 bind: Improper fetch cleanup sequencing in the resolver can cause named to crash

CVEs

References