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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.4661
  Moderate:OpenShift Container Platform 4.11.5 security and extras update
                             21 September 2022

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           OpenShift Container Platform
Publisher:         Red Hat
Operating System:  Red Hat
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-34903 CVE-2022-21698 CVE-2022-21166
                   CVE-2022-21125 CVE-2022-21123 CVE-2022-0391
                   CVE-2021-38561 CVE-2015-20107 

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2022:6537

Comment: CVSS (Max):  7.5 CVE-2022-21698 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
         CVSS Source: Red Hat
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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                   Red Hat Security Advisory

Synopsis:          Moderate: Moderate:OpenShift Container Platform 4.11.5 security and extras update
Advisory ID:       RHSA-2022:6537-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:6537
Issue date:        2022-09-20
CVE Names:         CVE-2015-20107 CVE-2021-38561 CVE-2022-0391 
                   CVE-2022-21123 CVE-2022-21125 CVE-2022-21166 
                   CVE-2022-21698 CVE-2022-34903 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.11.5 is now available with
updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container
Platform 4.11.

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. Description:

Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.

This advisory contains the RPM packages for Red Hat OpenShift Container
Platform 4.11.5. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHSA-2022:6536

Security Fix(es):

* golang: out-of-bounds read in golang.org/x/text/language leads to DoS
(CVE-2021-38561)
* prometheus/client_golang: Denial of service using
InstrumentHandlerCounter (CVE-2022-21698)

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.

All OpenShift Container Platform 4.11 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift Console
or the CLI oc command. Instructions for upgrading a cluster are available
at
https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.html

3. Solution:

For OpenShift Container Platform 4.11 see the following documentation,
which will be updated shortly for this release, for important instructions
on how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.11/release_notes/ocp-4-11-release-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.html

4. Bugs fixed (https://bugzilla.redhat.com/):

2045880 - CVE-2022-21698 prometheus/client_golang: Denial of service using InstrumentHandlerCounter
2100495 - CVE-2021-38561 golang: out-of-bounds read in golang.org/x/text/language leads to DoS

5. References:

https://access.redhat.com/security/cve/CVE-2015-20107
https://access.redhat.com/security/cve/CVE-2021-38561
https://access.redhat.com/security/cve/CVE-2022-0391
https://access.redhat.com/security/cve/CVE-2022-21123
https://access.redhat.com/security/cve/CVE-2022-21125
https://access.redhat.com/security/cve/CVE-2022-21166
https://access.redhat.com/security/cve/CVE-2022-21698
https://access.redhat.com/security/cve/CVE-2022-34903
https://access.redhat.com/security/updates/classification/#moderate

6. Contact:

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

Copyright 2022 Red Hat, Inc.
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