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Sicherheit: Zwei Probleme in BIND
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in BIND
ID: RHSA-2017:1679-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Mi, 5. Juli 2017, 14:41
Referenzen: https://kb.isc.org/article/AA-01503
https://kb.isc.org/article/AA-01504
https://access.redhat.com/security/cve/CVE-2017-3142
https://access.redhat.com/security/cve/CVE-2017-3143

Originalnachricht

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

Synopsis: Important: bind security and bug fix update
Advisory ID: RHSA-2017:1679-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:1679
Issue date: 2017-07-05
CVE Names: CVE-2017-3142 CVE-2017-3143
=====================================================================

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 flaw was found in the way BIND handled TSIG authentication for dynamic
updates. A remote attacker able to communicate with an authoritative BIND
server could use this flaw to manipulate the contents of a zone, by forging
a valid TSIG or SIG(0) signature for a dynamic update request.
(CVE-2017-3143)

* A flaw was found in the way BIND handled TSIG authentication of AXFR
requests. A remote attacker, able to communicate with an authoritative BIND
server, could use this flaw to view the entire contents of a zone by
sending a specially constructed request packet. (CVE-2017-3142)

Red Hat would like to thank Internet Systems Consortium for reporting these
issues. Upstream acknowledges Clement Berthaux (Synacktiv) as the original
reporter of these issues.

Bug Fix(es):

* ICANN is planning to perform a Root Zone DNSSEC Key Signing Key (KSK)
rollover during October 2017. Maintaining an up-to-date KSK, by adding the
new root zone KSK, is essential for ensuring that validating DNS resolvers
continue to function following the rollover. (BZ#1458234)

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/):

1466189 - CVE-2017-3142 bind: An error in TSIG authentication can permit
unauthorized zone transfers
1466193 - CVE-2017-3143 bind: An error in TSIG authentication can permit
unauthorized dynamic updates

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.4.src.rpm

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.i686.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm

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

i386:
bind-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.i686.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm

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

Source:
bind-9.8.2-0.62.rc1.el6_9.4.src.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm

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

x86_64:
bind-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.4.src.rpm

i386:
bind-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.i686.rpm

ppc64:
bind-9.8.2-0.62.rc1.el6_9.4.ppc64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.ppc64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.ppc.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.ppc64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.ppc.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.ppc64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.ppc64.rpm

s390x:
bind-9.8.2-0.62.rc1.el6_9.4.s390x.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.s390x.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.s390.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.s390x.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.s390.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.s390x.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.s390x.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm

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

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.i686.rpm

ppc64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.ppc.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.ppc64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.ppc.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.ppc64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.ppc64.rpm

s390x:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.s390.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.s390x.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.s390.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.s390x.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.s390x.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.4.src.rpm

i386:
bind-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.i686.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm

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

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.i686.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.4.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.4.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-2017-3142
https://access.redhat.com/security/cve/CVE-2017-3143
https://access.redhat.com/security/updates/classification/#important
https://kb.isc.org/article/AA-01503
https://kb.isc.org/article/AA-01504

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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