RHSA-2023:6233 - Security Advisory

Topic

Red Hat OpenShift Container Platform low-latency extras release 4.12, which provides an update for cnf-tests-container, performance-addon-operator-must-gather-rhel8-container, NUMA-aware secondary scheduler and numaresources-operator, is now available.

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 extra low-latency container images for Red Hat OpenShift Container Platform 4.12. See the following advisory for the container images for this release:

https://access.redhat.com/errata/RHSA-2023:6126

Security Fix(es):

• golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487) (CVE-2023-39325)
• 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 users are advised to upgrade to these updated packages and images.

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

Details on how to access this content are available at https://docs.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html.

Affected Products

• Red Hat OpenShift Container Platform 4.12 for RHEL 8 x86_64

Fixes

• BZ - 2242803 - CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)
• BZ - 2243296 - CVE-2023-39325 golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)

CVEs

• CVE-2020-24736
• CVE-2023-1667
• CVE-2023-2283
• CVE-2023-2602
• CVE-2023-2603
• CVE-2023-4527
• CVE-2023-4806
• CVE-2023-4813
• CVE-2023-4911
• CVE-2023-27536
• CVE-2023-28321
• CVE-2023-28484
• CVE-2023-29469
• CVE-2023-29491
• CVE-2023-39325
• CVE-2023-44487

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-003