RHSA-2023:0237 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.8.57 is now available with
updates to packages and images that fix several bugs and add enhancements.

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.

Description

Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.
Security Fix(es):

• crewjam/saml: Authentication bypass when processing SAML responses

containing multiple Assertion elements (CVE-2022-41912)

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.

Solution

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/4.8/release_notes/ocp-4-8-release-notes.html

You may download the oc tool and use it to inspect release image metadata
for x86_64, s390x, and ppc64le 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:c9dfdaa23f71c5faf6cc88a3cc504f7458840b8c860372a8106584739a15b1f2

(For s390x architecture)
The image digest is sha256:ff2557359193568edf71a6160b0d431c01625578fc29ca6c8894f2e46719b475

(For ppc64le architecture)
The image digest is sha256:cfbc2bf134d9a7754a920164bd8189f2f5b5d802c25c0774ab3b4e9c1998ff51

All OpenShift Container Platform 4.8 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/4.8/updating/updating-cluster-cli.html

Affected Products

• Red Hat OpenShift Container Platform 4.8 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.8 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.8 for RHEL 8 s390x

Fixes

• BZ - 2149181 - CVE-2022-41912 crewjam/saml: Authentication bypass when processing SAML responses containing multiple Assertion elements
• OCPBUGS-5964 - Placeholder bug for OCP 4.8.0 metadata release
• OCPBUGS-5965 - Placeholder bug for OCP 4.8.0 rpm release

CVEs

• CVE-2022-41912
• CVE-2023-21835
• CVE-2023-21843

References

• https://access.redhat.com/security/updates/classification/#important