An authentication bypass flaw was found in the way krb5s certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Enterprise_linux | Redhat | 7.0 (including) | 7.0 (including) |
| Enterprise_linux_desktop | Redhat | 7.0 (including) | 7.0 (including) |
| Enterprise_linux_server | Redhat | 7.0 (including) | 7.0 (including) |
| Enterprise_linux_workstation | Redhat | 7.0 (including) | 7.0 (including) |
| Red Hat Enterprise Linux 7 | RedHat | krb5-0:1.15.1-18.el7 | * |