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_6122.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 2.8.3 security and bug fix updates
Advisory ID:        RHSA-2023:6122-01
Product:            Red Hat ACM
Advisory URL:       https://access.redhat.com/errata/RHSA-2023:6122
Issue date:         2023-10-25
Revision:           01
CVE Names:          CVE-2023-39318
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Summary: 

Red Hat Advanced Cluster Management for Kubernetes 2.8.3 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 link(s) in the References section.




Description:

Red Hat Advanced Cluster Management for Kubernetes 2.8.3 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 address security issues and fix several bugs. See the Release Notes link in the References section, which will be updated shortly, for additional details about this release.

Security Fix(es):

* golang: net/http, x/net/http2: rapid stream resets can cause excessive work (Rapid Reset Attack) (CVE-2023-39325)

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

A Red Hat Security Bulletin which addresses further details about the Rapid Reset flaw is available in the References section.

* golang: html/template: improper handling of HTML-like comments within script contexts (CVE-2023-39318)

* golang: html/template: improper handling of special tags within script contexts (CVE-2023-39319)

* golang: crypto/tls: panic when processing post-handshake message on QUIC connections (CVE-2023-39321)

* golang: crypto/tls: lack of a limit on buffered post-handshake (CVE-2023-39322)

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.


Solution:

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