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Red Hat Enterprise Linux 9.0 RHSA-2023:3583-01 Important DoS Fix

red hat
Calendar Grey June 14, 2023
Dist Redhat Esm H88
Ubuntu announces critical c-ares vulnerability patch affecting version 22.04, addressing potential service interruption threats.
An update for c-ares 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

Summary

The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.
Security Fix(es):
* c-ares: 0-byte UDP payload Denial of Service (CVE-2023-32067)
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 denial of service update red hat important

References

https://access.redhat.com/security/cve/CVE-2023-32067 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream EUS (v.9.0):
aarch64: c-ares-debuginfo-1.17.1-5.el9_0.1.aarch64.rpm c-ares-debugsource-1.17.1-5.el9_0.1.aarch64.rpm c-ares-devel-1.17.1-5.el9_0.1.aarch64.rpm
ppc64le: c-ares-debuginfo-1.17.1-5.el9_0.1.ppc64le.rpm c-ares-debugsource-1.17.1-5.el9_0.1.ppc64le.rpm c-ares-devel-1.17.1-5.el9_0.1.ppc64le.rpm
s390x: c-ares-debuginfo-1.17.1-5.el9_0.1.s390x.rpm c-ares-debugsource-1.17.1-5.el9_0.1.s390x.rpm c-ares-devel-1.17.1-5.el9_0.1.s390x.rpm
x86_64: c-ares-debuginfo-1.17.1-5.el9_0.1.i686.rpm c-ares-debuginfo-1.17.1-5.el9_0.1.x86_64.rpm c-ares-debugsource-1.17.1-5.el9_0.1.i686.rpm c-ares-debugsource-1.17.1-5.el9_0.1.x86_64.rpm c-ares-devel-1.17.1-5.el9_0.1.i686.rpm c-ares-devel-1.17.1-5.el9_0.1.x86_64.rpm
Red Hat Enterprise Linux BaseOS EUS (v.9.0):
Source: c-ares-1.17.1-5.el9_0.1.src.rpm
aarch64: c-ares-1.17.1-5.el9_0.1.aarch64.rpm c-ares-debuginfo-1.17.1-5.el9_0.1.aarch64.rpm c-ares-debugsource-1.17.1-5.el9_0.1.aarch64.rpm
ppc64le: c-ares-1.17.1-5.el9_0.1.ppc64le.rpm c-ares-debuginfo-1.17.1-5.el9_0.1.ppc64le.rpm c-ares-debugsource-1.17.1-5.el9_0.1.ppc64le.rpm
s390x: c-ares-1.17.1-5.el9_0.1.s390x.rpm c-ares-debuginfo-1.17.1-5.el9_0.1.s390x.rpm c-ares-debugsource-1.17.1-5.el9_0.1.s390x.rpm
x86_64: c-ares-1.17.1-5.el9_0.1.i686.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:3583-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3583
Issue date: 2023-06-14

Topic

An update for c-ares 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 denial of service update red hat important

Relevant Releases Architectures

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

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

Bugs Fixed

2209502 - CVE-2023-32067 c-ares: 0-byte UDP payload Denial of Service

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