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Red Hat Security Advisory 2022-7643-01

Red Hat Security Advisory 2022-7643-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly. Issues addressed include denial of service and memory leak vulnerabilities.

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====================================================================
Red Hat Security Advisory

Synopsis: Important: bind9.16 security update
Advisory ID: RHSA-2022:7643-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7643
Issue date: 2022-11-08
CVE Names: CVE-2021-25220 CVE-2022-0396
====================================================================

  1. Summary:

An update for bind9.16 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.

  1. Relevant releases/architectures:

Red Hat CodeReady Linux Builder (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

  1. 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: DoS from specifically crafted TCP packets (CVE-2022-0396)

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 8.7 Release Notes linked from the References section.

  1. 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

  1. Bugs fixed (https://bugzilla.redhat.com/):

2064512 - CVE-2021-25220 bind: DNS forwarders - cache poisoning vulnerability
2064513 - CVE-2022-0396 bind: DoS from specifically crafted TCP packets
2128601 - CVE-2022-38177 bind: memory leak in ECDSA DNSSEC verification code

  1. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
bind9.16-9.16.23-0.9.el8.1.src.rpm

aarch64:
bind9.16-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-chroot-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-debuginfo-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-libs-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-utils-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.aarch64.rpm

noarch:
bind9.16-license-9.16.23-0.9.el8.1.noarch.rpm

ppc64le:
bind9.16-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-chroot-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-debuginfo-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-libs-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-utils-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.ppc64le.rpm

s390x:
bind9.16-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-chroot-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-debuginfo-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-libs-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-utils-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.s390x.rpm

x86_64:
bind9.16-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-chroot-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-debuginfo-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-libs-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-utils-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bind9.16-debuginfo-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-devel-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-dnssec-utils-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.aarch64.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.aarch64.rpm

noarch:
bind9.16-doc-9.16.23-0.9.el8.1.noarch.rpm
python3-bind9.16-9.16.23-0.9.el8.1.noarch.rpm

ppc64le:
bind9.16-debuginfo-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-devel-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-dnssec-utils-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.ppc64le.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.ppc64le.rpm

s390x:
bind9.16-debuginfo-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-devel-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-dnssec-utils-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.s390x.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.s390x.rpm

x86_64:
bind9.16-debuginfo-9.16.23-0.9.el8.1.i686.rpm
bind9.16-debuginfo-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.i686.rpm
bind9.16-debugsource-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-devel-9.16.23-0.9.el8.1.i686.rpm
bind9.16-devel-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-dnssec-utils-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.i686.rpm
bind9.16-dnssec-utils-debuginfo-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-libs-9.16.23-0.9.el8.1.i686.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.i686.rpm
bind9.16-libs-debuginfo-9.16.23-0.9.el8.1.x86_64.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.i686.rpm
bind9.16-utils-debuginfo-9.16.23-0.9.el8.1.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/

  1. References:

https://access.redhat.com/security/cve/CVE-2021-25220
https://access.redhat.com/security/cve/CVE-2022-0396
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.7_release_notes/index

  1. Contact:

The Red Hat security contact is [email protected]. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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Ubuntu Security Notice USN-5626-2

Ubuntu Security Notice 5626-2 - USN-5626-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind incorrectly handled large delegations. A remote attacker could possibly use this issue to reduce performance, leading to a denial of service.

CVE-2021-25220: CVE-2021-25220: DNS forwarders - cache poisoning vulnerability

BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.

CVE-2022-0396: CVE-2022-0396: DoS from specifically crafted TCP packets - Security Advisories

BIND 9.16.11 -> 9.16.26, 9.17.0 -> 9.18.0 and versions 9.16.11-S1 -> 9.16.26-S1 of the BIND Supported Preview Edition. Specifically crafted TCP streams can cause connections to BIND to remain in CLOSE_WAIT status for an indefinite period of time, even after the client has terminated the connection.

Packet Storm: Latest News

TOR Virtual Network Tunneling Tool 0.4.8.13