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RedHat 9: RHSA-2023:4005 Critical: BIND DNS Cache Issue

red hat
Calendar Grey July 10, 2023
Dist Redhat Esm H88
Set for Red Hat 9, this notice emphasizes a crucial bind security patch tackling a notable cache vulnerability.
An update for bind is now available for Red Hat Enterprise Linux 9.0 Extended Update Support

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: named's configured cache size limit can be significantly exceeded (CVE-2023-2828)
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.

Topics%20covered

Topics Covered

security advisory security update Red Hat critical DNS BIND cache issue

References

https://access.redhat.com/security/cve/CVE-2023-2828 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.9.0):
Source: bind-9.16.23-1.el9_0.2.src.rpm
aarch64: bind-9.16.23-1.el9_0.2.aarch64.rpm bind-chroot-9.16.23-1.el9_0.2.aarch64.rpm bind-debuginfo-9.16.23-1.el9_0.2.aarch64.rpm bind-debugsource-9.16.23-1.el9_0.2.aarch64.rpm bind-dnssec-utils-9.16.23-1.el9_0.2.aarch64.rpm bind-dnssec-utils-debuginfo-9.16.23-1.el9_0.2.aarch64.rpm bind-libs-9.16.23-1.el9_0.2.aarch64.rpm bind-libs-debuginfo-9.16.23-1.el9_0.2.aarch64.rpm bind-utils-9.16.23-1.el9_0.2.aarch64.rpm bind-utils-debuginfo-9.16.23-1.el9_0.2.aarch64.rpm
noarch: bind-dnssec-doc-9.16.23-1.el9_0.2.noarch.rpm bind-license-9.16.23-1.el9_0.2.noarch.rpm python3-bind-9.16.23-1.el9_0.2.noarch.rpm
ppc64le: bind-9.16.23-1.el9_0.2.ppc64le.rpm bind-chroot-9.16.23-1.el9_0.2.ppc64le.rpm bind-debuginfo-9.16.23-1.el9_0.2.ppc64le.rpm bind-debugsource-9.16.23-1.el9_0.2.ppc64le.rpm bind-dnssec-utils-9.16.23-1.el9_0.2.ppc64le.rpm bind-dnssec-utils-debuginfo-9.16.23-1.el9_0.2.ppc64le.rpm bind-libs-9.16.23-1.el9_0.2.ppc64le.rpm bind-libs-debuginfo-9.16.23-1.el9_0.2.ppc64le.rpm bind-utils-9.16.23-1.el9_0.2.ppc64le.rpm bind-utils-debuginfo-9.16.23-1.el9_0.2.ppc64le.rpm
s390x: bind-9.16.23-1.el9_0.2.s390x.rpm bind-chroot-9.16.23-1.el9_0.2.s390x.rpm bind-debuginfo-9.16.23-1.el9_0.2.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:4005-02
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4005
Issue date: 2023-07-10

Topic

An update for bind is now available for Red Hat Enterprise Linux 9.0Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat critical DNS BIND cache issue

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2216227 - CVE-2023-2828 bind: named's configured cache size limit can be significantly exceeded

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