Description

It was found that Keycloak's SAML broker, versions up to 6.0.1, did not verify missing message signatures. If an attacker modifies the SAML Response and removes the sections, the message is still accepted, and the message can be modified. An attacker could use this flaw to impersonate other users and gain access to sensitive information.

Remediation

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10201

Related Vulnerabilities

CVE-2020-10721 Vulnerability in maven package io.fabric8:fabric8-maven-plugin-core

CVE-2023-30532 Vulnerability in maven package org.jenkinsci.plugins.spoonscript:spoonscript

CVE-2020-8203 Vulnerability in npm package @sailshq/lodash

CVE-2020-1698 Vulnerability in maven package org.keycloak:keycloak-authz-client

CVE-2019-10169 Vulnerability in maven package org.keycloak:keycloak-authz-client

Severity

Critical

Classification

CWE-592 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Tags

Issue Tracking Mitigation Vendor Advisory