RedHat: RHSA-2022-2043:01 Moderate: c-ares security update | LinuxS...
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: c-ares security update
Advisory ID:       RHSA-2022:2043-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:2043
Issue date:        2022-05-10
CVE Names:         CVE-2021-3672 
=====================================================================

1. Summary:

An update for c-ares 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, 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: Missing input validation of host names may lead to domain
hijacking (CVE-2021-3672)

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 8.6 Release Notes linked from 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/):

1988342 - CVE-2021-3672 c-ares: Missing input validation of host names may lead to domain hijacking

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
c-ares-1.13.0-6.el8.src.rpm

aarch64:
c-ares-1.13.0-6.el8.aarch64.rpm
c-ares-debuginfo-1.13.0-6.el8.aarch64.rpm
c-ares-debugsource-1.13.0-6.el8.aarch64.rpm
c-ares-devel-1.13.0-6.el8.aarch64.rpm

ppc64le:
c-ares-1.13.0-6.el8.ppc64le.rpm
c-ares-debuginfo-1.13.0-6.el8.ppc64le.rpm
c-ares-debugsource-1.13.0-6.el8.ppc64le.rpm
c-ares-devel-1.13.0-6.el8.ppc64le.rpm

s390x:
c-ares-1.13.0-6.el8.s390x.rpm
c-ares-debuginfo-1.13.0-6.el8.s390x.rpm
c-ares-debugsource-1.13.0-6.el8.s390x.rpm
c-ares-devel-1.13.0-6.el8.s390x.rpm

x86_64:
c-ares-1.13.0-6.el8.i686.rpm
c-ares-1.13.0-6.el8.x86_64.rpm
c-ares-debuginfo-1.13.0-6.el8.i686.rpm
c-ares-debuginfo-1.13.0-6.el8.x86_64.rpm
c-ares-debugsource-1.13.0-6.el8.i686.rpm
c-ares-debugsource-1.13.0-6.el8.x86_64.rpm
c-ares-devel-1.13.0-6.el8.i686.rpm
c-ares-devel-1.13.0-6.el8.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-2021-3672
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

8. Contact:

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

Copyright 2022 Red Hat, Inc.
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RedHat: RHSA-2022-2043:01 Moderate: c-ares security update

An update for c-ares is now available for Red Hat Enterprise Linux 8

Summary

The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.
Security Fix(es):
* c-ares: Missing input validation of host names may lead to domain hijacking (CVE-2021-3672)
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 8.6 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258

References

https://access.redhat.com/security/cve/CVE-2021-3672 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: c-ares-1.13.0-6.el8.src.rpm
aarch64: c-ares-1.13.0-6.el8.aarch64.rpm c-ares-debuginfo-1.13.0-6.el8.aarch64.rpm c-ares-debugsource-1.13.0-6.el8.aarch64.rpm c-ares-devel-1.13.0-6.el8.aarch64.rpm
ppc64le: c-ares-1.13.0-6.el8.ppc64le.rpm c-ares-debuginfo-1.13.0-6.el8.ppc64le.rpm c-ares-debugsource-1.13.0-6.el8.ppc64le.rpm c-ares-devel-1.13.0-6.el8.ppc64le.rpm
s390x: c-ares-1.13.0-6.el8.s390x.rpm c-ares-debuginfo-1.13.0-6.el8.s390x.rpm c-ares-debugsource-1.13.0-6.el8.s390x.rpm c-ares-devel-1.13.0-6.el8.s390x.rpm
x86_64: c-ares-1.13.0-6.el8.i686.rpm c-ares-1.13.0-6.el8.x86_64.rpm c-ares-debuginfo-1.13.0-6.el8.i686.rpm c-ares-debuginfo-1.13.0-6.el8.x86_64.rpm c-ares-debugsource-1.13.0-6.el8.i686.rpm c-ares-debugsource-1.13.0-6.el8.x86_64.rpm c-ares-devel-1.13.0-6.el8.i686.rpm c-ares-devel-1.13.0-6.el8.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/

Severity
Advisory ID: RHSA-2022:2043-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:2043
Issued Date: : 2022-05-10
CVE Names: CVE-2021-3672

Topic

An update for c-ares is now available for Red Hat Enterprise Linux 8.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.

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1988342 - CVE-2021-3672 c-ares: Missing input validation of host names may lead to domain hijacking

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