RHEL 7 : bind (RHSA-2016:2615)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

An update for bind is now available for Red Hat Enterprise Linux 7.

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.

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) :

* A denial of service flaw was found in the way BIND handled responses
containing a DNAME answer. A remote attacker could use this flaw to
make named exit unexpectedly with an assertion failure via a specially
crafted DNS response. (CVE-2016-8864)

Red Hat would like to thank ISC for reporting this issue. Upstream
acknowledges Tony Finch (University of Cambridge) and Marco Davids
(SIDN Labs) as the original reporters.

See also :

https://www.redhat.com/security/data/cve/CVE-2016-8864.html
https://kb.isc.org/article/AA-01434
http://rhn.redhat.com/errata/RHSA-2016-2615.html

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.1
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Red Hat Local Security Checks

Nessus Plugin ID: 94605 ()

Bugtraq ID:

CVE ID: CVE-2016-8864

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