The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7857.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 Single Sign-On 7.6.6 for OpenShift image enhancement and security update
Advisory ID:        RHSA-2023:7857-03
Product:            Red Hat OpenShift Enterprise
Advisory URL:       https://access.redhat.com/errata/RHSA-2023:7857
Issue date:         2023-12-14
Revision:           03
CVE Names:          CVE-2023-6134
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Summary: 

A new image is available for Red Hat Single Sign-On 7.6.6, running on OpenShift Container Platform 3.10 and 3.11, and 4.3.

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 Single Sign-On is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat Single Sign-On for OpenShift image provides an authentication server that you can use to log in centrally, log out, and register. You can also manage user accounts for web applications, mobile applications, and RESTful web services.

This erratum releases a new image for Red Hat Single Sign-On 7.6.6 for use within the OpenShift Container Platform 3.10, OpenShift Container Platform 3.11, and OpenShift Container Platform 4.3 cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments, aligning with the standalone product release.

Security Fix(es):

* keycloak: redirect_uri validation logic that allows for a bypass of otherwise explicitly allowed hosts (CVE-2023-6134)
* keycloak: reflected XSS via wildcard in OIDC redirect_uri (CVE-2023-6291)
* keycloak: offline session token DoS (CVE-2023-6563)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.


Solution:

https://raw.githubusercontent.com/jboss-container-images/redhat-sso-7-openshift-image/v7.6.6.GA/templates/${resource}



CVEs:

CVE-2023-6134

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2249673
https://bugzilla.redhat.com/show_bug.cgi?id=2251407
https://bugzilla.redhat.com/show_bug.cgi?id=2253308