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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(Red Hat Issues Fix) BIND Bugs Let Remote Users Bypass Access Controls and Deny Service
SecurityTracker Alert ID:  1024911
SecurityTracker URL:  http://securitytracker.com/id/1024911
CVE Reference:   CVE-2010-3613   (Links to External Site)
Date:  Dec 20 2010
Impact:   Denial of service via network, Host/resource access via network, Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.0.x to 9.7.2-P2, 9.4-ESV to 9.4-ESV-R3, 9.6-ESV to 9.6-ESV-R2
Description:   Several vulnerabilities were reported in BIND. A remote user can cause denial of service conditions. A remote user can bypass access controls.

When certain types of signed negative responses are added to the cache, matching RRSIG records already in the cache are not cleared [CVE-2010-3613]. A remote user can subsequently perform a lookup of the cached data can cause named to crash.

When named is acting as a DNSSEC validator, it may incorrectly determine that an NS RRset is insecure when there isn't a matching key for the RRSIG in the DNSKEY RRset when resuming from validating the DNSKEY RRset (such as during a DNSKEY algorithm rollover when two different algorithms are used to sign a zone but only the new set of keys are in the zone DNSKEY RRset) [CVE-2010-3614].

When named is running as an authoritative server for a zone and the allow-query statement is not set in the zone statement, the system defaults to allowing the query [CVE-2010-3615]. A remote user can send a query for that zone data to bypass the access controls.
Impact:   A remote user can cause denial of service conditions.

A remote user can bypass access controls.
Solution:   Red Hat has issued a fix for CVE-2010-3613.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2010-1000.html
Vendor URL:  www.isc.org/software/bind/advisories/cve-2010-3615 (Links to External Site)
Cause:   Access control error, State error
Underlying OS:   Linux (Red Hat Enterprise)

Message History:   This archive entry is a follow-up to the message listed below.
Dec 2 2010 BIND Bugs Let Remote Users Bypass Access Controls and Deny Service


 Source Message Contents
Date:  Mon, 20 Dec 2010 13:46:54 -0500
Subject:  [RHSA-2010:1000-01] Important: bind security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Important: bind security update
Advisory ID:       RHSA-2010:1000-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2010-1000.html
Issue date:        2010-12-20
CVE Names:         CVE-2010-3613 
=====================================================================

1. Summary:

Updated bind packages that fix one security issue are now available for
Red Hat Enterprise Linux 4.

The Red Hat Security Response Team has rated this update as having
important 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 AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, 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.

It was discovered that named did not invalidate previously cached SIG
records when adding an NCACHE record for the same entry to the cache. A
remote attacker allowed to send recursive DNS queries to named could use
this flaw to crash named. (CVE-2010-3613)

All BIND users are advised to upgrade to these updated packages, which
contain a backported patch to resolve 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.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

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

658974 - CVE-2010-3613 bind: failure to clear existing RRSIG records when a NO DATA is negatively cached could DoS named

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/bind-9.2.4-30.el4_8.6.src.rpm

i386:
bind-9.2.4-30.el4_8.6.i386.rpm
bind-chroot-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-devel-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-utils-9.2.4-30.el4_8.6.i386.rpm

ia64:
bind-9.2.4-30.el4_8.6.ia64.rpm
bind-chroot-9.2.4-30.el4_8.6.ia64.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.ia64.rpm
bind-devel-9.2.4-30.el4_8.6.ia64.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.ia64.rpm
bind-utils-9.2.4-30.el4_8.6.ia64.rpm

ppc:
bind-9.2.4-30.el4_8.6.ppc.rpm
bind-chroot-9.2.4-30.el4_8.6.ppc.rpm
bind-debuginfo-9.2.4-30.el4_8.6.ppc.rpm
bind-debuginfo-9.2.4-30.el4_8.6.ppc64.rpm
bind-devel-9.2.4-30.el4_8.6.ppc.rpm
bind-libs-9.2.4-30.el4_8.6.ppc.rpm
bind-libs-9.2.4-30.el4_8.6.ppc64.rpm
bind-utils-9.2.4-30.el4_8.6.ppc.rpm

s390:
bind-9.2.4-30.el4_8.6.s390.rpm
bind-chroot-9.2.4-30.el4_8.6.s390.rpm
bind-debuginfo-9.2.4-30.el4_8.6.s390.rpm
bind-devel-9.2.4-30.el4_8.6.s390.rpm
bind-libs-9.2.4-30.el4_8.6.s390.rpm
bind-utils-9.2.4-30.el4_8.6.s390.rpm

s390x:
bind-9.2.4-30.el4_8.6.s390x.rpm
bind-chroot-9.2.4-30.el4_8.6.s390x.rpm
bind-debuginfo-9.2.4-30.el4_8.6.s390.rpm
bind-debuginfo-9.2.4-30.el4_8.6.s390x.rpm
bind-devel-9.2.4-30.el4_8.6.s390x.rpm
bind-libs-9.2.4-30.el4_8.6.s390.rpm
bind-libs-9.2.4-30.el4_8.6.s390x.rpm
bind-utils-9.2.4-30.el4_8.6.s390x.rpm

x86_64:
bind-9.2.4-30.el4_8.6.x86_64.rpm
bind-chroot-9.2.4-30.el4_8.6.x86_64.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.x86_64.rpm
bind-devel-9.2.4-30.el4_8.6.x86_64.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.x86_64.rpm
bind-utils-9.2.4-30.el4_8.6.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/bind-9.2.4-30.el4_8.6.src.rpm

i386:
bind-9.2.4-30.el4_8.6.i386.rpm
bind-chroot-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-devel-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-utils-9.2.4-30.el4_8.6.i386.rpm

x86_64:
bind-9.2.4-30.el4_8.6.x86_64.rpm
bind-chroot-9.2.4-30.el4_8.6.x86_64.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.x86_64.rpm
bind-devel-9.2.4-30.el4_8.6.x86_64.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.x86_64.rpm
bind-utils-9.2.4-30.el4_8.6.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/bind-9.2.4-30.el4_8.6.src.rpm

i386:
bind-9.2.4-30.el4_8.6.i386.rpm
bind-chroot-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-devel-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-utils-9.2.4-30.el4_8.6.i386.rpm

ia64:
bind-9.2.4-30.el4_8.6.ia64.rpm
bind-chroot-9.2.4-30.el4_8.6.ia64.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.ia64.rpm
bind-devel-9.2.4-30.el4_8.6.ia64.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.ia64.rpm
bind-utils-9.2.4-30.el4_8.6.ia64.rpm

x86_64:
bind-9.2.4-30.el4_8.6.x86_64.rpm
bind-chroot-9.2.4-30.el4_8.6.x86_64.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.x86_64.rpm
bind-devel-9.2.4-30.el4_8.6.x86_64.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.x86_64.rpm
bind-utils-9.2.4-30.el4_8.6.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/bind-9.2.4-30.el4_8.6.src.rpm

i386:
bind-9.2.4-30.el4_8.6.i386.rpm
bind-chroot-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-devel-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-utils-9.2.4-30.el4_8.6.i386.rpm

ia64:
bind-9.2.4-30.el4_8.6.ia64.rpm
bind-chroot-9.2.4-30.el4_8.6.ia64.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.ia64.rpm
bind-devel-9.2.4-30.el4_8.6.ia64.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.ia64.rpm
bind-utils-9.2.4-30.el4_8.6.ia64.rpm

x86_64:
bind-9.2.4-30.el4_8.6.x86_64.rpm
bind-chroot-9.2.4-30.el4_8.6.x86_64.rpm
bind-debuginfo-9.2.4-30.el4_8.6.i386.rpm
bind-debuginfo-9.2.4-30.el4_8.6.x86_64.rpm
bind-devel-9.2.4-30.el4_8.6.x86_64.rpm
bind-libs-9.2.4-30.el4_8.6.i386.rpm
bind-libs-9.2.4-30.el4_8.6.x86_64.rpm
bind-utils-9.2.4-30.el4_8.6.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/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2010-3613.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2010 Red Hat, Inc.
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