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Sicherheit: Denial of Service in BIND
Aktuelle Meldungen Distributionen
Name: Denial of Service in BIND
ID: RHSA-2016:0074-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Mi, 27. Januar 2016, 18:14
Referenzen: https://kb.isc.org/article/AA-01335
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8704

Originalnachricht

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

Synopsis: Moderate: bind97 security update
Advisory ID: RHSA-2016:0074-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0074.html
Issue date: 2016-01-27
CVE Names: CVE-2015-8704
=====================================================================

1. Summary:

Updated bind97 packages that fix one security issue 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
References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop Workstation (v. 5 client) - 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.

A denial of service flaw was found in the way BIND processed certain
malformed Address Prefix List (APL) records. A remote, authenticated
attacker could use this flaw to cause named to crash. (CVE-2015-8704)

Red Hat would like to thank ISC for reporting this issue.

All bind97 users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
update, the BIND daemon (named) will be restarted automatically.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

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

1299364 - CVE-2015-8704 bind: specific APL data could trigger an INSIST in
apl_42.c

6. Package List:

Red Hat Enterprise Linux Desktop Workstation (v. 5 client):

Source:
bind97-9.7.0-21.P2.el5_11.5.src.rpm

i386:
bind97-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-chroot-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-utils-9.7.0-21.P2.el5_11.5.i386.rpm

x86_64:
bind97-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-chroot-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-utils-9.7.0-21.P2.el5_11.5.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
bind97-9.7.0-21.P2.el5_11.5.src.rpm

i386:
bind97-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-chroot-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-utils-9.7.0-21.P2.el5_11.5.i386.rpm

ia64:
bind97-9.7.0-21.P2.el5_11.5.ia64.rpm
bind97-chroot-9.7.0-21.P2.el5_11.5.ia64.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.ia64.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.ia64.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.ia64.rpm
bind97-utils-9.7.0-21.P2.el5_11.5.ia64.rpm

ppc:
bind97-9.7.0-21.P2.el5_11.5.ppc.rpm
bind97-chroot-9.7.0-21.P2.el5_11.5.ppc.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.ppc.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.ppc64.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.ppc.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.ppc64.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.ppc.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.ppc64.rpm
bind97-utils-9.7.0-21.P2.el5_11.5.ppc.rpm

s390x:
bind97-9.7.0-21.P2.el5_11.5.s390x.rpm
bind97-chroot-9.7.0-21.P2.el5_11.5.s390x.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.s390.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.s390x.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.s390.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.s390x.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.s390.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.s390x.rpm
bind97-utils-9.7.0-21.P2.el5_11.5.s390x.rpm

x86_64:
bind97-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-chroot-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-debuginfo-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-devel-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.i386.rpm
bind97-libs-9.7.0-21.P2.el5_11.5.x86_64.rpm
bind97-utils-9.7.0-21.P2.el5_11.5.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-2015-8704
https://access.redhat.com/security/updates/classification/#moderate
https://kb.isc.org/article/AA-01335

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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