Moderate CentOS bind Update


bind-9.8.2-0.17.rc1.el6.3.i686.rpm, bind-9.8.2-0.17.rc1.el6.3.src.rpm, bind-9.8.2-0.17.rc1.el6.3.x86_64.rpm, bind-chroot-9.8.2-0.17.rc1.el6.3.i686.rpm, bind-chroot-9.8.2-0.17.rc1.el6.3.x86_64.rpm, bind-devel-9.8.2-0.17.rc1.el6.3.i686.rpm, bind-devel-9.8.2-0.17.rc1.el6.3.x86_64.rpm, bind-libs-9.8.2-0.17.rc1.el6.3.i686.rpm, bind-libs-9.8.2-0.17.rc1.el6.3.x86_64.rpm, bind-sdb-9.8.2-0.17.rc1.el6.3.i686.rpm, bind-sdb-9.8.2-0.17.rc1.el6.3.x86_64.rpm, bind-utils-9.8.2-0.17.rc1.el6.3.i686.rpm, bind-utils-9.8.2-0.17.rc1.el6.3.x86_64.rpm,,
2018-01-18 11:05
2017-07-27 19:05
2017-04-01 19:06
2017-01-05 20:10


Updated bind packages that fix one security issue and add one enhancement
are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team 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.

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.
DNS64 is used to automatically generate DNS records so IPv6 based clients
can access IPv4 systems through a NAT64 server.

A flaw was found in the DNS64 implementation in BIND when using Response
Policy Zones (RPZ). If a remote attacker sent a specially-crafted query to
a named server that is using RPZ rewrite rules, named could exit
unexpectedly with an assertion failure. Note that DNS64 support is not
enabled by default. (CVE-2012-5689)

This update also adds the following enhancement:

* Previously, it was impossible to configure the the maximum number of
responses sent per second to one client. This allowed remote attackers to
conduct traffic amplification attacks using DNS queries with spoofed source
IP addresses. With this update, it is possible to use the new "rate-limit"
configuration option in named.conf and configure the maximum number of
queries which the server responds to. Refer to the BIND documentation for
more details about the "rate-limit" option. (BZ#906312)

All bind users are advised to upgrade to these updated packages, which
contain patches to correct this issue and add this enhancement. After
installing the update, the BIND daemon (named) will be restarted
Please see

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

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Affected package information

Release Package Patched in
6 bind bind-9.8.2-0.17.rc1.el6.3.i686.rpm
bind bind-9.8.2-0.17.rc1.el6.3.src.rpm
bind bind-9.8.2-0.17.rc1.el6.3.x86_64.rpm
bind-chroot bind-chroot-9.8.2-0.17.rc1.el6.3.i686.rpm
bind-chroot bind-chroot-9.8.2-0.17.rc1.el6.3.x86_64.rpm
bind-devel bind-devel-9.8.2-0.17.rc1.el6.3.i686.rpm
bind-devel bind-devel-9.8.2-0.17.rc1.el6.3.x86_64.rpm
bind-libs bind-libs-9.8.2-0.17.rc1.el6.3.i686.rpm
bind-libs bind-libs-9.8.2-0.17.rc1.el6.3.x86_64.rpm
bind-sdb bind-sdb-9.8.2-0.17.rc1.el6.3.i686.rpm
bind-sdb bind-sdb-9.8.2-0.17.rc1.el6.3.x86_64.rpm
bind-utils bind-utils-9.8.2-0.17.rc1.el6.3.i686.rpm
bind-utils bind-utils-9.8.2-0.17.rc1.el6.3.x86_64.rpm