| Package | Affected versions | Patched versions |
|---|---|---|
| keystone | ≥ 16.0.0.0rc1, < 16.0.0< 15.0.1 | 16.0.015.0.1 |
| keystone | = 16.0.0< 15.0.1 | 15.0.1 |
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn't have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.
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