Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.2649
bind security update
4 August 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-2020-8616
Reference: ESB-2020.1975
ESB-2020.1932
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:3272
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: bind security update
Advisory ID: RHSA-2020:3272-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3272
Issue date: 2020-08-03
CVE Names: CVE-2020-8616
=====================================================================
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: BIND does not sufficiently limit the number of fetches performed
when processing referrals (CVE-2020-8616)
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/):
1836118 - CVE-2020-8616 bind: BIND does not sufficiently limit the number of fetches performed when processing referrals
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
Source:
bind-9.11.4-9.P2.el7_7.2.src.rpm
noarch:
bind-license-9.11.4-9.P2.el7_7.2.noarch.rpm
x86_64:
bind-debuginfo-9.11.4-9.P2.el7_7.2.i686.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.i686.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-libs-9.11.4-9.P2.el7_7.2.i686.rpm
bind-libs-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.i686.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-utils-9.11.4-9.P2.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
x86_64:
bind-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-chroot-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.i686.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-devel-9.11.4-9.P2.el7_7.2.i686.rpm
bind-devel-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.i686.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.i686.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.i686.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.i686.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-sdb-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.7):
Source:
bind-9.11.4-9.P2.el7_7.2.src.rpm
noarch:
bind-license-9.11.4-9.P2.el7_7.2.noarch.rpm
ppc64:
bind-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-chroot-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-libs-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-libs-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-utils-9.11.4-9.P2.el7_7.2.ppc64.rpm
ppc64le:
bind-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-chroot-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-libs-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-utils-9.11.4-9.P2.el7_7.2.ppc64le.rpm
s390x:
bind-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-chroot-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.s390.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.s390.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-libs-9.11.4-9.P2.el7_7.2.s390.rpm
bind-libs-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.s390.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.s390.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-utils-9.11.4-9.P2.el7_7.2.s390x.rpm
x86_64:
bind-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-chroot-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.i686.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.i686.rpm
bind-export-libs-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-libs-9.11.4-9.P2.el7_7.2.i686.rpm
bind-libs-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.i686.rpm
bind-libs-lite-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-pkcs11-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.i686.rpm
bind-pkcs11-libs-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-pkcs11-utils-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-utils-9.11.4-9.P2.el7_7.2.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
ppc64:
bind-debuginfo-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-devel-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-devel-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.ppc.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-sdb-9.11.4-9.P2.el7_7.2.ppc64.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.2.ppc64.rpm
ppc64le:
bind-debuginfo-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-devel-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-sdb-9.11.4-9.P2.el7_7.2.ppc64le.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.2.ppc64le.rpm
s390x:
bind-debuginfo-9.11.4-9.P2.el7_7.2.s390.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-devel-9.11.4-9.P2.el7_7.2.s390.rpm
bind-devel-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.s390.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.s390.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.s390.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-sdb-9.11.4-9.P2.el7_7.2.s390x.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.2.s390x.rpm
x86_64:
bind-debuginfo-9.11.4-9.P2.el7_7.2.i686.rpm
bind-debuginfo-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-devel-9.11.4-9.P2.el7_7.2.i686.rpm
bind-devel-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.i686.rpm
bind-export-devel-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.i686.rpm
bind-lite-devel-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.i686.rpm
bind-pkcs11-devel-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-sdb-9.11.4-9.P2.el7_7.2.x86_64.rpm
bind-sdb-chroot-9.11.4-9.P2.el7_7.2.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-2020-8616
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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=Axfm
- -----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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=fYum
-----END PGP SIGNATURE-----