Moderate CentOS bind97 Security Update
|bind97-9.7.0-21.P2.el5.i386.rpm, bind97-9.7.0-21.P2.el5.src.rpm, bind97-9.7.0-21.P2.el5.x86_64.rpm, bind97-chroot-9.7.0-21.P2.el5.i386.rpm, bind97-chroot-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.i386.rpm, bind97-utils-9.7.0-21.P2.el5.x86_64.rpm|
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
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.
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.
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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