The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka authentication chaining.
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 |
|---|---|---|---|
| Keystone | Openstack | 2013.1 (including) | 2013.1 (including) |
| Keystone | Openstack | 2013.1.1 (including) | 2013.1.1 (including) |
| Keystone | Openstack | 2013.1.2 (including) | 2013.1.2 (including) |
| Keystone | Openstack | 2013.1.3 (including) | 2013.1.3 (including) |
| Keystone | Openstack | 2013.2 (including) | 2013.2 (including) |
| Keystone | Openstack | 2013.2.1 (including) | 2013.2.1 (including) |
| Keystone | Openstack | 2013.2.2 (including) | 2013.2.2 (including) |
| Keystone | Openstack | 2013.2.3 (including) | 2013.2.3 (including) |
| OpenStack 4 for RHEL 6 | RedHat | openstack-keystone-0:2013.2.4-1.el6ost | * |
| Keystone | Ubuntu | quantal | * |
| Keystone | Ubuntu | saucy | * |