Important: RHACS 3.74 enhancement and security update

Topic

Updated images are now available for Red Hat Advanced Cluster Security 3.74. The updated images includes bug and security fixes.

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

This release of RHACS 3.74.8 provides the following changes:

• The HTTP/2 functionality in the RHACS Operator webhook has been disabled

to mitigate CVE-2023-44487.

• Fixed postgresql vulnerabilities in multiple images.

Solution

If you are using an earlier version of RHACS 3.74, you are advised to upgrade to patch release 3.74.8.

Affected Products

• Red Hat Advanced Cluster Security for Kubernetes 3 x86_64
• Red Hat Advanced Cluster Security for Kubernetes for IBM Z and LinuxONE 3 s390x
• Red Hat Advanced Cluster Security for Kubernetes for IBM Power, little endian 3 ppc64le

Fixes

• BZ - 2228111 - CVE-2023-39417 postgresql: extension script @substitutions@ within quoting allow SQL injection
• BZ - 2247168 - CVE-2023-5868 postgresql: Memory disclosure in aggregate function calls
• BZ - 2247169 - CVE-2023-5869 postgresql: Buffer overrun from integer overflow in array modification
• BZ - 2247170 - CVE-2023-5870 postgresql: Role pg_signal_backend can signal certain superuser processes.
• ROX-20391 - hardening: disable http/2 webhook in ACS operator to mitigate CVE-2023-44487
• ROX-20542 - hardening: disable http/2 in operator kube-rbac-proxy to mitigate CVE-2023-44487
• ROX-21190 - Release RHACS 3.74.8
• ROX-21784 - Upgrade postgresql to remove CVE-2023-39417
• ROX-21785 - Upgrade postgresql to remove CVE-2023-5868
• ROX-21786 - Upgrade postgresql to remove CVE-2023-5869
• ROX-21787 - Upgrade postgresql to remove CVE-2023-5870

CVEs

• CVE-2007-4559
• CVE-2020-22217
• CVE-2022-3094
• CVE-2022-4904
• CVE-2022-41862
• CVE-2022-48337
• CVE-2022-48339
• CVE-2022-48468
• CVE-2023-3446
• CVE-2023-3817
• CVE-2023-4016
• CVE-2023-4641
• CVE-2023-5678
• CVE-2023-5868
• CVE-2023-5869
• CVE-2023-5870
• CVE-2023-22745
• CVE-2023-31130
• CVE-2023-31486
• CVE-2023-39417

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.openshift.com/acs/3.74/release_notes/374-release-notes.html