Description
A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the client_id of the target. This could allow a client to gain unauthorized access to additional services.
Remediation
References
https://github.com/keycloak/keycloak/security/advisories/GHSA-75p6-52g3-rqc8
Related Vulnerabilities
CVE-2019-14540 Vulnerability in maven package com.fasterxml.jackson.core:jackson-databind
CVE-2015-0254 Vulnerability in maven package jstl:jstl
CVE-2017-2646 Vulnerability in maven package org.keycloak:keycloak-saml-core
CVE-2018-5382 Vulnerability in maven package org.bouncycastle:bcprov-jdk16
CVE-2022-43422 Vulnerability in maven package com.compuware.jenkins:compuware-topaz-utilities