Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.3777
bind security and bug fix update
10 November 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: bind
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-25214
Reference: ESB-2021.2952
ESB-2021.1873
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:4384
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: bind security and bug fix update
Advisory ID: RHSA-2021:4384-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4384
Issue date: 2021-11-09
CVE Names: CVE-2021-25214
=====================================================================
1. Summary:
An update for bind is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, 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: Broken inbound incremental zone update (IXFR) can cause named to
terminate unexpectedly (CVE-2021-25214)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.5 Release Notes linked from 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/):
1953056 - named-pkcs11.service: abort on REQUIRE(isc_refcount_current(&rbtdb->node_locks[i].references) == 0)
1953849 - CVE-2021-25214 bind: Broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly
1980916 - dns_tkey_gssnegotiate: TKEY is unacceptable" during ipa-client-install
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
bind-9.11.26-6.el8.aarch64.rpm
bind-chroot-9.11.26-6.el8.aarch64.rpm
bind-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-debugsource-9.11.26-6.el8.aarch64.rpm
bind-devel-9.11.26-6.el8.aarch64.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-libs-9.11.26-6.el8.aarch64.rpm
bind-libs-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-libs-lite-9.11.26-6.el8.aarch64.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-lite-devel-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-devel-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-libs-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-utils-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-sdb-9.11.26-6.el8.aarch64.rpm
bind-sdb-chroot-9.11.26-6.el8.aarch64.rpm
bind-sdb-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-utils-9.11.26-6.el8.aarch64.rpm
bind-utils-debuginfo-9.11.26-6.el8.aarch64.rpm
noarch:
bind-license-9.11.26-6.el8.noarch.rpm
python3-bind-9.11.26-6.el8.noarch.rpm
ppc64le:
bind-9.11.26-6.el8.ppc64le.rpm
bind-chroot-9.11.26-6.el8.ppc64le.rpm
bind-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-debugsource-9.11.26-6.el8.ppc64le.rpm
bind-devel-9.11.26-6.el8.ppc64le.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-libs-9.11.26-6.el8.ppc64le.rpm
bind-libs-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-libs-lite-9.11.26-6.el8.ppc64le.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-lite-devel-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-devel-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-libs-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-utils-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-sdb-9.11.26-6.el8.ppc64le.rpm
bind-sdb-chroot-9.11.26-6.el8.ppc64le.rpm
bind-sdb-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-utils-9.11.26-6.el8.ppc64le.rpm
bind-utils-debuginfo-9.11.26-6.el8.ppc64le.rpm
s390x:
bind-9.11.26-6.el8.s390x.rpm
bind-chroot-9.11.26-6.el8.s390x.rpm
bind-debuginfo-9.11.26-6.el8.s390x.rpm
bind-debugsource-9.11.26-6.el8.s390x.rpm
bind-devel-9.11.26-6.el8.s390x.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.s390x.rpm
bind-libs-9.11.26-6.el8.s390x.rpm
bind-libs-debuginfo-9.11.26-6.el8.s390x.rpm
bind-libs-lite-9.11.26-6.el8.s390x.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.s390x.rpm
bind-lite-devel-9.11.26-6.el8.s390x.rpm
bind-pkcs11-9.11.26-6.el8.s390x.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.s390x.rpm
bind-pkcs11-devel-9.11.26-6.el8.s390x.rpm
bind-pkcs11-libs-9.11.26-6.el8.s390x.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.s390x.rpm
bind-pkcs11-utils-9.11.26-6.el8.s390x.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.s390x.rpm
bind-sdb-9.11.26-6.el8.s390x.rpm
bind-sdb-chroot-9.11.26-6.el8.s390x.rpm
bind-sdb-debuginfo-9.11.26-6.el8.s390x.rpm
bind-utils-9.11.26-6.el8.s390x.rpm
bind-utils-debuginfo-9.11.26-6.el8.s390x.rpm
x86_64:
bind-9.11.26-6.el8.x86_64.rpm
bind-chroot-9.11.26-6.el8.x86_64.rpm
bind-debuginfo-9.11.26-6.el8.i686.rpm
bind-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-debugsource-9.11.26-6.el8.i686.rpm
bind-debugsource-9.11.26-6.el8.x86_64.rpm
bind-devel-9.11.26-6.el8.i686.rpm
bind-devel-9.11.26-6.el8.x86_64.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.i686.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-libs-9.11.26-6.el8.i686.rpm
bind-libs-9.11.26-6.el8.x86_64.rpm
bind-libs-debuginfo-9.11.26-6.el8.i686.rpm
bind-libs-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-libs-lite-9.11.26-6.el8.i686.rpm
bind-libs-lite-9.11.26-6.el8.x86_64.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.i686.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-lite-devel-9.11.26-6.el8.i686.rpm
bind-lite-devel-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.i686.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-devel-9.11.26-6.el8.i686.rpm
bind-pkcs11-devel-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-libs-9.11.26-6.el8.i686.rpm
bind-pkcs11-libs-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.i686.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-utils-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.i686.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-sdb-9.11.26-6.el8.x86_64.rpm
bind-sdb-chroot-9.11.26-6.el8.x86_64.rpm
bind-sdb-debuginfo-9.11.26-6.el8.i686.rpm
bind-sdb-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-utils-9.11.26-6.el8.x86_64.rpm
bind-utils-debuginfo-9.11.26-6.el8.i686.rpm
bind-utils-debuginfo-9.11.26-6.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
bind-9.11.26-6.el8.src.rpm
aarch64:
bind-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-debugsource-9.11.26-6.el8.aarch64.rpm
bind-export-devel-9.11.26-6.el8.aarch64.rpm
bind-export-libs-9.11.26-6.el8.aarch64.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-libs-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-sdb-debuginfo-9.11.26-6.el8.aarch64.rpm
bind-utils-debuginfo-9.11.26-6.el8.aarch64.rpm
ppc64le:
bind-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-debugsource-9.11.26-6.el8.ppc64le.rpm
bind-export-devel-9.11.26-6.el8.ppc64le.rpm
bind-export-libs-9.11.26-6.el8.ppc64le.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-libs-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-sdb-debuginfo-9.11.26-6.el8.ppc64le.rpm
bind-utils-debuginfo-9.11.26-6.el8.ppc64le.rpm
s390x:
bind-debuginfo-9.11.26-6.el8.s390x.rpm
bind-debugsource-9.11.26-6.el8.s390x.rpm
bind-export-devel-9.11.26-6.el8.s390x.rpm
bind-export-libs-9.11.26-6.el8.s390x.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.s390x.rpm
bind-libs-debuginfo-9.11.26-6.el8.s390x.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.s390x.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.s390x.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.s390x.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.s390x.rpm
bind-sdb-debuginfo-9.11.26-6.el8.s390x.rpm
bind-utils-debuginfo-9.11.26-6.el8.s390x.rpm
x86_64:
bind-debuginfo-9.11.26-6.el8.i686.rpm
bind-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-debugsource-9.11.26-6.el8.i686.rpm
bind-debugsource-9.11.26-6.el8.x86_64.rpm
bind-export-devel-9.11.26-6.el8.i686.rpm
bind-export-devel-9.11.26-6.el8.x86_64.rpm
bind-export-libs-9.11.26-6.el8.i686.rpm
bind-export-libs-9.11.26-6.el8.x86_64.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.i686.rpm
bind-export-libs-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-libs-debuginfo-9.11.26-6.el8.i686.rpm
bind-libs-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.i686.rpm
bind-libs-lite-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.i686.rpm
bind-pkcs11-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.i686.rpm
bind-pkcs11-libs-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.i686.rpm
bind-pkcs11-utils-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-sdb-debuginfo-9.11.26-6.el8.i686.rpm
bind-sdb-debuginfo-9.11.26-6.el8.x86_64.rpm
bind-utils-debuginfo-9.11.26-6.el8.i686.rpm
bind-utils-debuginfo-9.11.26-6.el8.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-2021-25214
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=HT3Q
- -----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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=le10
-----END PGP SIGNATURE-----