RHSA-2023:4875 - Security Advisory

Topic

Red Hat Advanced Cluster Management for Kubernetes 2.8.1 General
Availability release images, which provide security updates and fix bugs.

Red Hat Product Security has rated this update as having a security impact
of Critical. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE links in the References section.

Description

Red Hat Advanced Cluster Management for Kubernetes 2.8.1 images

Red Hat Advanced Cluster Management for Kubernetes provides the
capabilities to address common challenges that administrators and site
reliability engineers face as they work across a range of public and
private cloud environments. Clusters and applications are all visible and
managed from a single console—with security policy built in.

This advisory contains the container images for Red Hat Advanced Cluster
Management for Kubernetes, which provide security updates and fix several bugs. See the following
Release Notes documentation, which will be updated shortly for this
release, for additional details about this release:

https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.8/html/release_notes/

Security fix(es):

• CVE-2023-3089 - openshift: OCP & FIPS mode
• CVE-2023-37903 - vm2: custom inspect function allows attackers to escape the sandbox and run arbitrary code
• CVE-2023-37466 - vm2: Promise handler sanitization can be bypassed allowing attackers to escape the sandbox and run arbitrary code
• CVE-2023-3027 - ACM: governance policy propagator privilege escalation

Solution

For information and instructions for these updates, see the following article: https://access.redhat.com/solutions/7022540.

For Red Hat Advanced Cluster Management for Kubernetes, see the following
documentation, which will be updated shortly for this release, for important
instructions on installing this release:

https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.8/html-single/install/index#installing

Affected Products

• Red Hat Advanced Cluster Management for Kubernetes 2 for RHEL 8 x86_64

Fixes

• BZ - 2211468 - CVE-2023-3027 ACM: governance policy propagator privilege escalation
• BZ - 2212085 - CVE-2023-3089 openshift: OCP & FIPS mode
• BZ - 2224969 - CVE-2023-37903 vm2: custom inspect function allows attackers to escape the sandbox and run arbitrary code
• BZ - 2232376 - CVE-2023-37466 vm2: Promise handler sanitization can be bypassed allowing attackers to escape the sandbox and run arbitrary code

CVEs

• CVE-2020-24736
• CVE-2023-1667
• CVE-2023-2283
• CVE-2023-2602
• CVE-2023-2603
• CVE-2023-3027
• CVE-2023-3089
• CVE-2023-27536
• CVE-2023-28321
• CVE-2023-28484
• CVE-2023-29469
• CVE-2023-37466
• CVE-2023-37903
• CVE-2023-38408

References

• https://access.redhat.com/security/updates/classification/#critical
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-001