Description
A flaw was found in Keycloak's SAML brokering functionality. When Keycloak is configured as a client in a Security Assertion Markup Language (SAML) setup, it fails to validate the `NotOnOrAfter` timestamp within the `SubjectConfirmationData`. This allows an attacker to delay the expiration of SAML responses, potentially extending the time a response is considered valid and leading to unexpected session durations or resource consumption.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat Red Hat build of Keycloak 26.4
Default version status: affected
26.4.10-1 to < *unaffected
Red Hat Red Hat build of Keycloak 26.4
Default version status: affected
26.4-12 to < *unaffected
Red Hat Red Hat build of Keycloak 26.4
Default version status: affected
26.4-12 to < *unaffected
Red Hat Red Hat build of Keycloak 26.4.10
Default version status: unaffected
Red Hat Red Hat JBoss Enterprise Application Platform 8
Default version status: affected
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack
Default version status: affected
Red Hat Red Hat Single Sign-On 7
Default version status: affected