RHSA-2023:7861 - Security Advisory

Topic

A security update is now available for Red Hat build of Keycloak 22.0.7 images running on OpenShift Container Platform.

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 build of Keycloak 22.0.7 is an integrated solution, available as a Red Hat JBoss Middleware for OpenShift containerized image, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.

This erratum releases a security update and enhancement images for Red Hat build of Keycloak 22.0.7 for use within the OpenShift Container Platform 4.12, 4.13 and 4.14 cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments, aligning with the standalone product release.

Security Fix(es):

• reflected XSS via wildcard in OIDC redirect_uri (CVE-2023-6291)
• redirect_uri validation logic that allows for a bypass of otherwise explicitly allowed hosts (CVE-2023-6134)

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

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat build of Keycloak Text-only Advisories x86_64

Fixes

• BZ - 2249673 - CVE-2023-6134 keycloak: reflected XSS via wildcard in OIDC redirect_uri
• BZ - 2251407 - CVE-2023-6291 keycloak: redirect_uri validation logic that allows for a bypass of otherwise explicitly allowed hosts

CVEs

• CVE-2023-6134
• CVE-2023-6291

References

• https://access.redhat.com/security/updates/classification/#important