(RHSA-2023:3888) Important: Red Hat Single Sign-On 7.6.4 for OpenShift image security enhancement update

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 7.6.4 for
use within the OpenShift Container Platform 3.10, OpenShift Container Platform
3.11, and within the OpenShift Container Platform 4.12 cloud computing Platform-as-a-Service (PaaS) for
on-premise or private cloud deployments, aligning with the standalone product release.

Security Fix(es):

• keycloak: Cross-site scripting when validating URI-schemes on SAML and OIDC (CVE-2022-4361)

• undertow: Infinite loop in SslConduit during close (CVE-2023-1108)

• keycloak: oauth client impersonation (CVE-2023-2422)

• keycloak: Untrusted Certificate Validation (CVE-2023-1664)

• keycloak: client access via device auth request spoof (CVE-2023-2585)

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.