Home / mailings [RHSA-2023:3741-01] Important: c-ares security update
Posted on 22 June 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: c-ares security update
Advisory ID: RHSA-2023:3741-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3741
Issue date: 2023-06-21
CVE Names: CVE-2023-32067
=====================================================================
1. Summary:
An update for c-ares is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Important. 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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
3. Description:
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.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
2209502 - CVE-2023-32067 c-ares: 0-byte UDP payload Denial of Service
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
c-ares-1.10.0-3.el7_9.1.src.rpm
x86_64:
c-ares-1.10.0-3.el7_9.1.i686.rpm
c-ares-1.10.0-3.el7_9.1.x86_64.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.i686.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
c-ares-debuginfo-1.10.0-3.el7_9.1.i686.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.x86_64.rpm
c-ares-devel-1.10.0-3.el7_9.1.i686.rpm
c-ares-devel-1.10.0-3.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
c-ares-1.10.0-3.el7_9.1.src.rpm
x86_64:
c-ares-1.10.0-3.el7_9.1.i686.rpm
c-ares-1.10.0-3.el7_9.1.x86_64.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.i686.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
c-ares-debuginfo-1.10.0-3.el7_9.1.i686.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.x86_64.rpm
c-ares-devel-1.10.0-3.el7_9.1.i686.rpm
c-ares-devel-1.10.0-3.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
c-ares-1.10.0-3.el7_9.1.src.rpm
ppc64:
c-ares-1.10.0-3.el7_9.1.ppc.rpm
c-ares-1.10.0-3.el7_9.1.ppc64.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.ppc.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.ppc64.rpm
c-ares-devel-1.10.0-3.el7_9.1.ppc.rpm
c-ares-devel-1.10.0-3.el7_9.1.ppc64.rpm
ppc64le:
c-ares-1.10.0-3.el7_9.1.ppc64le.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.ppc64le.rpm
c-ares-devel-1.10.0-3.el7_9.1.ppc64le.rpm
s390x:
c-ares-1.10.0-3.el7_9.1.s390.rpm
c-ares-1.10.0-3.el7_9.1.s390x.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.s390.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.s390x.rpm
c-ares-devel-1.10.0-3.el7_9.1.s390.rpm
c-ares-devel-1.10.0-3.el7_9.1.s390x.rpm
x86_64:
c-ares-1.10.0-3.el7_9.1.i686.rpm
c-ares-1.10.0-3.el7_9.1.x86_64.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.i686.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.x86_64.rpm
c-ares-devel-1.10.0-3.el7_9.1.i686.rpm
c-ares-devel-1.10.0-3.el7_9.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
c-ares-1.10.0-3.el7_9.1.src.rpm
x86_64:
c-ares-1.10.0-3.el7_9.1.i686.rpm
c-ares-1.10.0-3.el7_9.1.x86_64.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.i686.rpm
c-ares-debuginfo-1.10.0-3.el7_9.1.x86_64.rpm
c-ares-devel-1.10.0-3.el7_9.1.i686.rpm
c-ares-devel-1.10.0-3.el7_9.1.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/
7. References:
https://access.redhat.com/security/cve/CVE-2023-32067
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
