Keycloak: org.keycloak.protocol.oidc: unvalidated cross-origin messages in checkloginiframe leads to ddos

7.4 CVSS

Vulnerability Description

A flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seconds using simple code, significantly impacting the application's availability without proper origin validation for incoming messages.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Red Hat would like to thank Adriano Márcio Monteiro for reporting this issue.

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Affected Vendor

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Affected Software

Red Hat AMQ Broker 7, Red Hat build of Keycloak 22, Red Hat build of Keycloak 22.0.10, Red Hat Single Sign-On 7.6 for RHEL 7, Red Hat Single Sign-On 7.6 for RHEL 8, Red Hat Single Sign-On 7.6 for RHEL 9, RHEL-8 based Middleware Containers, RHOSS-1.33-RHEL-8, RHSSO 7.6.8, Migration Toolkit for Applications 6, Migration Toolkit for Applications 7, Red Hat build of Apicurio Registry 2, Red Hat Data Grid 8, Red Hat Decision Manager 7, Red Hat Developer Hub, Red Hat Fuse 7, Red Hat JBoss Data Grid 7, Red Hat JBoss Enterprise Application Platform 6, Red Hat JBoss Enterprise Application Platform 7, Red Hat JBoss Enterprise Application Platform 8, Red Hat JBoss Enterprise Application Platform Expansion Pack, Red Hat Process Automation 7, streams for Apache Kafka

Vulnerable Versions:

21.1.0, 23.0.0, 22.0.10-1, 22-13, 22-16, 0:18.0.13-1.redhat_00001.1.el7sso, 0:18.0.13-1.redhat_00001.1.el8sso, 0:18.0.13-1.redhat_00001.1.el9sso, 7.6-46, 1.33.0-5, 1.33.0-3