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Red Hat Security Advisory 2017-1105-01

Red Hat Security Advisory 2017-1105-01
Posted Apr 20, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1105-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly. Security Fix: A denial of service flaw was found in the way BIND handled a query response containing CNAME or DNAME resource records in an unusual order. A remote attacker could use this flaw to make named exit unexpectedly with an assertion failure via a specially crafted DNS response.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2017-3136, CVE-2017-3137
SHA-256 | 750af2cfd7077f5aa560bd12ea85be9ce9139025ffa43ec631dfd047484d2561

Red Hat Security Advisory 2017-1105-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: bind security update
Advisory ID: RHSA-2017:1105-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:1105
Issue date: 2017-04-20
CVE Names: CVE-2017-3136 CVE-2017-3137
=====================================================================

1. Summary:

An update for bind is now available for Red Hat Enterprise Linux 6.

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. 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):

* A denial of service flaw was found in the way BIND handled a query
response containing CNAME or DNAME resource records in an unusual order. A
remote attacker could use this flaw to make named exit unexpectedly with an
assertion failure via a specially crafted DNS response. (CVE-2017-3137)

* A denial of service flaw was found in the way BIND handled query requests
when using DNS64 with "break-dnssec yes" option. A remote attacker could
use this flaw to make named exit unexpectedly with an assertion failure via
a specially crafted DNS request. (CVE-2017-3136)

Red Hat would like to thank ISC for reporting these issues. Upstream
acknowledges Oleg Gorokhov (Yandex) as the original reporter of
CVE-2017-3136.

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

1441125 - CVE-2017-3136 bind: Incorrect error handling causes assertion failure when using DNS64 with "break-dnssec yes;"
1441133 - CVE-2017-3137 bind: Processing a response containing CNAME or DNAME with unusual order can crash resolver

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.1.src.rpm

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.i686.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
bind-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.i686.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.1.src.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

x86_64:
bind-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.1.src.rpm

i386:
bind-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.i686.rpm

ppc64:
bind-9.8.2-0.62.rc1.el6_9.1.ppc64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.ppc64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.ppc.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.ppc64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.ppc.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.ppc64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.ppc64.rpm

s390x:
bind-9.8.2-0.62.rc1.el6_9.1.s390x.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.s390x.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.s390.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.s390x.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.s390.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.s390x.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.s390x.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.i686.rpm

ppc64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.ppc.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.ppc64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.ppc.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.ppc64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.ppc64.rpm

s390x:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.s390.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.s390x.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.s390.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.s390x.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.s390x.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.1.src.rpm

i386:
bind-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.i686.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.i686.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.1.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-3136
https://access.redhat.com/security/cve/CVE-2017-3137
https://access.redhat.com/security/updates/classification/#important
https://kb.isc.org/article/AA-01465
https://kb.isc.org/article/AA-01466

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2017 Red Hat, Inc.
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