(RHSA-2023:6828) Important: ACS 4.1 enhancement update

2023-11-0818:33:18

access.redhat.com

red hat acs

4.1

rapid reset attack

http/2 vulnerabilities

cve-2023-39325

cve-2023-44487

cve-2023-40217

rhel base images

security fix

7.3 High

AI Score

Confidence

Low

0.732 High

EPSS

Percentile

98.1%

JSON

Updated images are now available for Red Hat Advanced Cluster Security.

Security Fix(es):

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

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

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.

This release of RHACS 4.1 includes updates to RHEL base images and includes the following fixes:

All containers have been rebuilt and now include container CVE fixes for CVE-2023-44487: Flaw in handling multiplexed streams in the HTTP/2 protocol and CVE-2023-40217: Python 3 ssl.SSLSocket vulnerability.
The HTTP/2 functionality in the RHACS Operator webhook has been disabled to mitigate CVE-2023-44487.