Home / mailings [RHSA-2023:0402-01] Moderate: bind security update
Posted on 24 January 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: bind security update
Advisory ID: RHSA-2023:0402-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0402
Issue date: 2023-01-24
CVE Names: CVE-2021-25220 CVE-2022-2795
=====================================================================
1. Summary:
An update for bind is now available for Red Hat Enterprise Linux 7.
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 Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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: DNS forwarders - cache poisoning vulnerability (CVE-2021-25220)
* bind: processing large delegations may severely degrade resolver
performance (CVE-2022-2795)
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/):
2064512 - CVE-2021-25220 bind: DNS forwarders - cache poisoning vulnerability
2128584 - CVE-2022-2795 bind: processing large delegations may severely degrade resolver performance
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
bind-9.11.4-26.P2.el7_9.13.src.rpm
noarch:
bind-license-9.11.4-26.P2.el7_9.13.noarch.rpm
x86_64:
bind-debuginfo-9.11.4-26.P2.el7_9.13.i686.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.i686.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-utils-9.11.4-26.P2.el7_9.13.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
bind-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-chroot-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.i686.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-sdb-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.13.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
bind-9.11.4-26.P2.el7_9.13.src.rpm
noarch:
bind-license-9.11.4-26.P2.el7_9.13.noarch.rpm
x86_64:
bind-debuginfo-9.11.4-26.P2.el7_9.13.i686.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.i686.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-utils-9.11.4-26.P2.el7_9.13.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
bind-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-chroot-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.i686.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-sdb-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.13.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
bind-9.11.4-26.P2.el7_9.13.src.rpm
noarch:
bind-license-9.11.4-26.P2.el7_9.13.noarch.rpm
ppc64:
bind-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-chroot-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-libs-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-libs-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-utils-9.11.4-26.P2.el7_9.13.ppc64.rpm
ppc64le:
bind-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-chroot-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-libs-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-utils-9.11.4-26.P2.el7_9.13.ppc64le.rpm
s390x:
bind-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-chroot-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.s390.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.s390.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-libs-9.11.4-26.P2.el7_9.13.s390.rpm
bind-libs-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.s390.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.s390.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-utils-9.11.4-26.P2.el7_9.13.s390x.rpm
x86_64:
bind-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-chroot-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.i686.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.i686.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-utils-9.11.4-26.P2.el7_9.13.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
bind-debuginfo-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-devel-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-devel-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.ppc.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-sdb-9.11.4-26.P2.el7_9.13.ppc64.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.13.ppc64.rpm
ppc64le:
bind-debuginfo-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-devel-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-sdb-9.11.4-26.P2.el7_9.13.ppc64le.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.13.ppc64le.rpm
s390x:
bind-debuginfo-9.11.4-26.P2.el7_9.13.s390.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-devel-9.11.4-26.P2.el7_9.13.s390.rpm
bind-devel-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.s390.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.s390.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.s390.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-sdb-9.11.4-26.P2.el7_9.13.s390x.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.13.s390x.rpm
x86_64:
bind-debuginfo-9.11.4-26.P2.el7_9.13.i686.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-sdb-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.13.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
bind-9.11.4-26.P2.el7_9.13.src.rpm
noarch:
bind-license-9.11.4-26.P2.el7_9.13.noarch.rpm
x86_64:
bind-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-chroot-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.i686.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-export-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.i686.rpm
bind-libs-lite-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.i686.rpm
bind-pkcs11-libs-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-utils-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-utils-9.11.4-26.P2.el7_9.13.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
bind-debuginfo-9.11.4-26.P2.el7_9.13.i686.rpm
bind-debuginfo-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-export-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-lite-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.i686.rpm
bind-pkcs11-devel-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-sdb-9.11.4-26.P2.el7_9.13.x86_64.rpm
bind-sdb-chroot-9.11.4-26.P2.el7_9.13.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-2021-25220
https://access.redhat.com/security/cve/CVE-2022-2795
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
