It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks. Upstream issue: https://issues.jboss.org/browse/KEYCLOAK-5280
Acknowledgments: Name: Bart Toersche (Simacan)
This issue has been addressed in the following products: Red Hat Single Sign-On Via RHSA-2017:2906 https://access.redhat.com/errata/RHSA-2017:2906
This issue has been addressed in the following products: Red Hat Single Sign-On 7.1 for RHEL 6 Via RHSA-2017:2904 https://access.redhat.com/errata/RHSA-2017:2904
This issue has been addressed in the following products: Red Hat Single Sign-On 7.1 for RHEL 7 Via RHSA-2017:2905 https://access.redhat.com/errata/RHSA-2017:2905