The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_6840.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: OpenShift Container Platform 4.14.2 packages and security update
Advisory ID:        RHSA-2023:6840-01
Product:            Red Hat OpenShift Enterprise
Advisory URL:       https://access.redhat.com/errata/RHSA-2023:6840
Issue date:         2023-11-15
Revision:           01
CVE Names:          CVE-2023-29406
====================================================================

Summary: 

Red Hat OpenShift Container Platform release 4.14.2 is now available with updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 4.14.

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 OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.14.2. See the following advisory for the container images for this release:

https://access.redhat.com/errata/RHSA-2023:6837

Security Fix(es):

* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS
attack (Rapid Reset Attack) (CVE-2023-44487 CVE-2023-39325)
* golang: net/http: insufficient sanitization of Host header
(CVE-2023-29406)
* golang: crypto/tls: slow verification of certificate chains containing
large RSA keys (CVE-2023-29409)
* 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.

All OpenShift Container Platform 4.14 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at  https://docs.openshift.com/container-platform/4.14/updating/updating_a_cluster/updating-cluster-cli.html


Solution:

https://docs.openshift.com/container-platform/4.14/release_notes/ocp-4-14-release-notes.html



CVEs:

CVE-2023-29406

References:

https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/RHSB-2023-003
https://bugzilla.redhat.com/show_bug.cgi?id=2222167
https://bugzilla.redhat.com/show_bug.cgi?id=2228743
https://bugzilla.redhat.com/show_bug.cgi?id=2237773
https://bugzilla.redhat.com/show_bug.cgi?id=2237776
https://bugzilla.redhat.com/show_bug.cgi?id=2237777
https://bugzilla.redhat.com/show_bug.cgi?id=2237778
https://bugzilla.redhat.com/show_bug.cgi?id=2242803
https://bugzilla.redhat.com/show_bug.cgi?id=2243296