RHSA-2023:5902 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.13.18 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.

This advisory contains the container images for Red Hat OpenShift Container Platform 4.13018. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2023:5905

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/4.13/release_notes/ocp-4-13-release-notes.html Security Fix(es):

• HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

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 4.13 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/4.13/updating/updating-cluster-cli.html

Solution

For OpenShift Container Platform 4.13 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/4.13/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:d0fd9d3ab8690605f816c879d74f4e6d6d9f72982f63a3e0ef3e027ecc512e1c

(For s390x architecture)
The image digest is sha256:4b1d9c837a6699e1901a44ab0af11bf6320a228c314c80a8a5ec0bc89c6c90e1

(For ppc64le architecture)
The image digest is sha256:5cf20d5f38b5500c9dc6a57b4c3e17863fd9f4e8f8755fbb19728c90f6190f5a

(For aarch64 architecture)
The image digest is sha256:5cf20d5f38b5500c9dc6a57b4c3e17863fd9f4e8f8755fbb19728c90f6190f5a

All OpenShift Container Platform 4.13 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/4.13/updating/updating-cluster-cli.html

Affected Products

• Red Hat OpenShift Container Platform 4.13 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.13 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.13 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.13 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.13 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.13 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.13 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.13 for RHEL 8 aarch64

Fixes

• BZ - 2242803 - CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)
• OCPBUGS-18253 - Cluster Resource Override Operator should not override resources while removing finalizers
• OCPBUGS-19307 - OKD: Implement workaround to allow SNO installations for OKD/FCOS [release-4.13]
• OCPBUGS-20047 - ovnkube-trace pip3: command not found
• OCPBUGS-20488 - [4.14] Avoid caching etcdctl on cluster-backup.sh

CVEs

• CVE-2023-39325
• CVE-2023-44487

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-003
• https://docs.openshift.com/container-platform/4.13/release_notes/ocp-4-12-release-notes.html