A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2023-10-04T10:59:30.818Z

Updated: 2024-08-02T06:19:15.138Z

Reserved: 2023-04-28T17:33:42.062Z

Link: CVE-2023-2422

cve-icon Vulnrichment

Updated: 2024-08-02T06:19:15.138Z

cve-icon NVD

Status : Modified

Published: 2023-10-04T11:15:10.157

Modified: 2023-11-07T04:12:40.367

Link: CVE-2023-2422

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-06-26T00:00:00Z

Links: CVE-2023-2422 - Bugzilla