Description
A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=1906797
Related Vulnerabilities
CVE-2017-2646 Vulnerability in maven package org.keycloak:keycloak-saml-core
CVE-2023-0105 Vulnerability in maven package org.keycloak:keycloak-core
CVE-2021-21625 Vulnerability in maven package org.jenkins-ci.plugins:aws-credentials
CVE-2021-42697 Vulnerability in maven package com.typesafe.akka:akka-http
CVE-2023-24450 Vulnerability in maven package org.jenkins-ci.plugins:view-cloner