Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.2369
bind security update
14 July 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: bind
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-8617
Reference: ESB-2020.1975
ESB-2020.1932
ESB-2020.1905
ESB-2020.1886
ESB-2020.1820
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:2893
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: bind security update
Advisory ID: RHSA-2020:2893-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2893
Issue date: 2020-07-13
CVE Names: CVE-2020-8617
=====================================================================
1. Summary:
An update for bind is now available for Red Hat Enterprise Linux 7.7
Extended Update Support.
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 ComputeNode EUS (v. 7.7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, s390x, 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):
* bind: A logic error in code which checks TSIG validity can be used to
trigger an assertion failure in tsig.c (CVE-2020-8617)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
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/):
1836124 - CVE-2020-8617 bind: A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
Source:
bind-9.11.4-9.P2.el7_7.1.src.rpm
noarch:
bind-license-9.11.4-9.P2.el7_7.1.noarch.rpm
x86_64:
bind-debuginfo-9.11.4-9.P2.el7_7.1.i686.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.i686.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-libs-9.11.4-9.P2.el7_7.1.i686.rpm
bind-libs-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.i686.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-utils-9.11.4-9.P2.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
x86_64:
bind-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-chroot-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.i686.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-devel-9.11.4-9.P2.el7_7.1.i686.rpm
bind-devel-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.i686.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.i686.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.i686.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.i686.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-sdb-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.7):
Source:
bind-9.11.4-9.P2.el7_7.1.src.rpm
noarch:
bind-license-9.11.4-9.P2.el7_7.1.noarch.rpm
ppc64:
bind-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-chroot-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-libs-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-libs-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-utils-9.11.4-9.P2.el7_7.1.ppc64.rpm
ppc64le:
bind-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-chroot-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-libs-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-utils-9.11.4-9.P2.el7_7.1.ppc64le.rpm
s390x:
bind-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-chroot-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.s390.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.s390.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-libs-9.11.4-9.P2.el7_7.1.s390.rpm
bind-libs-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.s390.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.s390.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-utils-9.11.4-9.P2.el7_7.1.s390x.rpm
x86_64:
bind-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-chroot-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.i686.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.i686.rpm
bind-export-libs-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-libs-9.11.4-9.P2.el7_7.1.i686.rpm
bind-libs-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.i686.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.i686.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-utils-9.11.4-9.P2.el7_7.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
ppc64:
bind-debuginfo-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-devel-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-devel-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.ppc.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-sdb-9.11.4-9.P2.el7_7.1.ppc64.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.1.ppc64.rpm
ppc64le:
bind-debuginfo-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-devel-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-sdb-9.11.4-9.P2.el7_7.1.ppc64le.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.1.ppc64le.rpm
s390x:
bind-debuginfo-9.11.4-9.P2.el7_7.1.s390.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-devel-9.11.4-9.P2.el7_7.1.s390.rpm
bind-devel-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.s390.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.s390.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.s390.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-sdb-9.11.4-9.P2.el7_7.1.s390x.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.1.s390x.rpm
x86_64:
bind-debuginfo-9.11.4-9.P2.el7_7.1.i686.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-devel-9.11.4-9.P2.el7_7.1.i686.rpm
bind-devel-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.i686.rpm
bind-export-devel-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.i686.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.i686.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-sdb-9.11.4-9.P2.el7_7.1.x86_64.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.1.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-2020-8617
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=SD3J
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=zq9i
-----END PGP SIGNATURE-----