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Category:   Application (Generic)  >   BIND Vendors:   ISC (Internet Software Consortium)
(Red Hat Issues Fix) BIND Recursion Processing Error in 'netaddr.c' Lets Remote Users Cause the Target 'named' Service to Crash
SecurityTracker Alert ID:  1040256
SecurityTracker URL:  http://securitytracker.com/id/1040256
CVE Reference:   CVE-2017-3145   (Links to External Site)
Date:  Jan 22 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1
Description:   A vulnerability was reported in BIND. A remote user can cause the target service to crash.

The system does not properly sequence cleanup operations for upstream recursion fetch contexts. A remote server can return specially crafted data to trigger a use-after-free memory error and cause the target named service to crash.

[Editor's note: The vendor indicates that there are no known exploit paths in the code prior to the fix for CVE-2017-3137.]

Jayachandran Palanisamy of Cygate AB reported this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   Red Hat has issued a fix for CVE-2017-3145.

The Red Hat advisory is available at:

https://access.redhat.com/errata/RHSA-2018:0101

Vendor URL:  access.redhat.com/errata/RHSA-2018:0101 (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6

Message History:   This archive entry is a follow-up to the message listed below.
Jan 16 2018 BIND Recursion Processing Error in 'netaddr.c' Lets Remote Users Cause the Target 'named' Service to Crash



 Source Message Contents

Subject:  [RHSA-2018:0101-01] Important: bind security update

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

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

Synopsis:          Important: bind security update
Advisory ID:       RHSA-2018:0101-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0101
Issue date:        2018-01-22
CVE Names:         CVE-2017-3145 
=====================================================================

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 use-after-free flaw leading to denial of service was found in the way
BIND internally handled cleanup operations on upstream recursion fetch
contexts. A remote attacker could potentially use this flaw to make named,
acting as a DNSSEC validating resolver, exit unexpectedly with an assertion
failure via a specially crafted DNS request. (CVE-2017-3145)

Red Hat would like to thank ISC for reporting this issue. Upstream
acknowledges Jayachandran Palanisamy (Cygate AB) as the original reporter.

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/):

1534812 - CVE-2017-3145 bind: Improper fetch cleanup sequencing in the resolver can cause named to crash

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.5.src.rpm

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.i686.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm

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

i386:
bind-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.i686.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm

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

Source:
bind-9.8.2-0.62.rc1.el6_9.5.src.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm

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

x86_64:
bind-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.5.src.rpm

i386:
bind-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.i686.rpm

ppc64:
bind-9.8.2-0.62.rc1.el6_9.5.ppc64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.ppc64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.ppc.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.ppc64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.ppc.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.ppc64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.ppc64.rpm

s390x:
bind-9.8.2-0.62.rc1.el6_9.5.s390x.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.s390x.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.s390.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.s390x.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.s390.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.s390x.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.s390x.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm

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

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.i686.rpm

ppc64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.ppc.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.ppc64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.ppc.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.ppc64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.ppc64.rpm

s390x:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.s390.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.s390x.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.s390.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.s390x.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.s390x.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
bind-9.8.2-0.62.rc1.el6_9.5.src.rpm

i386:
bind-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.i686.rpm

x86_64:
bind-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-chroot-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-libs-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-utils-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm

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

i386:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.i686.rpm

x86_64:
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-debuginfo-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.i686.rpm
bind-devel-9.8.2-0.62.rc1.el6_9.5.x86_64.rpm
bind-sdb-9.8.2-0.62.rc1.el6_9.5.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-2017-3145
https://access.redhat.com/security/updates/classification/#important
https://kb.isc.org/article/AA-01542

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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