The following data is constructed from data provided by Red Hat's json file at:

https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_6148.json

Red Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




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Red Hat Security Advisory

Synopsis:           Important: Red Hat Advanced Cluster Management 2.7.9 security and bug fix updates
Advisory ID:        RHSA-2023:6148-01
Product:            Red Hat ACM
Advisory URL:       https://access.redhat.com/errata/RHSA-2023:6148
Issue date:         2023-10-26
Revision:           01
CVE Names:          CVE-2023-39318
====================================================================

Summary: 

Red Hat Advanced Cluster Management for Kubernetes 2.7.9 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 Important. 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 2.7.9 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 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/2.7/html/release_notes/

Security fix(es):
CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack
CVE-2023-39325 golang: net/http, x/net/http2: rapid stream resets can cause excessive work
CVE-2023-39321 golang: crypto/tls: panic when processing post-handshake message on QUIC connections
CVE-2023-39319 golang: html/template: improper handling of special tags within script contexts
CVE-2023-39318 golang: html/template: improper handling of HTML-like comments within script contexts
CVE-2023-39322 golang: crypto/tls: lack of a limit on buffered post-handshake


Solution:

https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.7/html-single/install/index#installing



CVEs:

CVE-2023-39318

References:

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