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RHEL 9: RHSA-2022-8068-01 Moderate: BIND Cache Poisoning DoS

red hat
Calendar Grey November 15, 2022
Dist Redhat Esm H88
Canonical has issued a significant security patch for PostgreSQL in Ubuntu 22.04, tackling SQL injection and privilege escalation vulnerabilities.
An update for bind is now available for Red Hat Enterprise Linux 9

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.

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: 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 9.1 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service red hat bind cache poisoning

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/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: bind-9.16.23-5.el9_1.src.rpm
aarch64: bind-9.16.23-5.el9_1.aarch64.rpm bind-chroot-9.16.23-5.el9_1.aarch64.rpm bind-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-debugsource-9.16.23-5.el9_1.aarch64.rpm bind-dnssec-utils-9.16.23-5.el9_1.aarch64.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-libs-9.16.23-5.el9_1.aarch64.rpm bind-libs-debuginfo-9.16.23-5.el9_1.aarch64.rpm bind-utils-9.16.23-5.el9_1.aarch64.rpm bind-utils-debuginfo-9.16.23-5.el9_1.aarch64.rpm
noarch: bind-dnssec-doc-9.16.23-5.el9_1.noarch.rpm bind-license-9.16.23-5.el9_1.noarch.rpm python3-bind-9.16.23-5.el9_1.noarch.rpm
ppc64le: bind-9.16.23-5.el9_1.ppc64le.rpm bind-chroot-9.16.23-5.el9_1.ppc64le.rpm bind-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-debugsource-9.16.23-5.el9_1.ppc64le.rpm bind-dnssec-utils-9.16.23-5.el9_1.ppc64le.rpm bind-dnssec-utils-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-libs-9.16.23-5.el9_1.ppc64le.rpm bind-libs-debuginfo-9.16.23-5.el9_1.ppc64le.rpm bind-utils-9.16.23-5.el9_1.ppc64le.rpm bind-utils-debuginfo-9.16.23-5.el9_1.ppc64le.rpm
s390x: bind-9.16.23-5.el9_1.s390x.rpm bind-chroot-9.16.23-5.el9_1.s390x.rpm bind-debuginfo-9.16.23-5.el9_1.s390x.rpm bind-debugsource-9.16.23-5.el9_1.s390x.rpm

Read the Full Advisory


Advisory ID: RHSA-2022:8068-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:8068
Issue date: 2022-11-15

Topic

An update for bind is now available for Red Hat Enterprise Linux 9.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.

Topics%20covered

Topics Covered

security advisory moderate denial of service red hat bind cache poisoning

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2064512 - CVE-2021-25220 bind: DNS forwarders - cache poisoning vulnerability

2064513 - CVE-2022-0396 bind: DoS from specifically crafted TCP packets

2104863 - bind-doc is not shipped to public

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