RedHat: RHSA-2023-0402:01 Moderate: bind security update
Summary
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.
Summary
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.
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
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/
Topic
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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
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
Bugs Fixed
2064512 - CVE-2021-25220 bind: DNS forwarders - cache poisoning vulnerability
2128584 - CVE-2022-2795 bind: processing large delegations may severely degrade resolver performance