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Red Hat Security Advisory

Synopsis:          Moderate: OpenShift Container Platform 4.12.36 bug fix and security update
Advisory ID:       RHSA-2023:5390-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:5390
Issue date:        2023-10-04
CVE Names:         CVE-2023-2253
====================================================================
1. Summary:

Red Hat OpenShift Container Platform release 4.12.36 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 4.12.

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 container images for Red Hat OpenShift Container
Platform 4.12.36. See the following advisory for the RPM packages for this
release:

https://access.redhat.com/errata/RHBA-2023:5392

Space precludes documenting all of the container images in this advisory.
See the following Release Notes documentation, which will be updated
shortly for this release, for details about these changes:

https://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.html

Security Fix(es):

* distribution/distribution: DoS from malicious API request (CVE-2023-2253)

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 4.12 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 CLI (oc)
or web console. Instructions for upgrading a cluster are available at
https://docs.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html

3. Solution:

For OpenShift Container Platform 4.12 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/4.12/release_notes/ocp-4-12-release-notes.html

You may download the oc tool and use it to inspect release image metadata
for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests
may be found at
https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha values for the release are:

(For x86_64 architecture)
The image digest is
sha256:38ccab25d5895a216a465a9f297541fbbebe7aa115fdaa9f2015c8d5a5d036eb

(For s390x architecture)
The image digest is
sha256:91e9a38e4333cac73c9320a713247d6652017081cd573f892dae2a866142de45

(For ppc64le architecture)
The image digest is
sha256:674a2972728709445f1bf008d0b8740f3b7c3d7f5781f8a4235b11d47779038e

(For aarch64 architecture)
The image digest is
sha256:e515ccfd4923cfb91b54fad78835338ec99ec204544d53691f81a92bfdd6f9f4

All OpenShift Container Platform 4.12 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 CLI (oc)
or web console. Instructions for upgrading a cluster are available at
https://docs.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html

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

2189886 - CVE-2023-2253 distribution/distribution: DoS from malicious API request

5. JIRA issues fixed (https://issues.redhat.com/):

OCPBUGS-10992 - SCOS bootstrap should skip pivot when root is not writable
OCPBUGS-16376 - Avoid retry of Network Policy event
OCPBUGS-19045 - Web console slowness on Project>Project access page
OCPBUGS-19405 - [release-4.12] Extend workload-info gatherer to collect image repository info
OCPBUGS-19511 - 4.12: Upgrade blocked: csi-snapshot-controller fails with read-only filesystem
OCPBUGS-19557 - CBO crashes if internal IP is nil
OCPBUGS-19770 - After Adding the FIP to existing Node, The CSR get generated, It should be approved automatically.

6. References:

https://access.redhat.com/security/cve/CVE-2023-2253
https://access.redhat.com/security/updates/classification/#moderate
https://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.html

7. 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.
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