CVE-2020-12692
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductOpenstack Keystone
PublishedMay 7, 2020
First seenMay 7, 2020
How to fix
Update
- openstack keystone15.0.1 or later
- keystone16.0.0, 15.0.1 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openstack keystone | v < 15.0.1, 16.0.0 | 15.0.1 |
| canonical ubuntu_linux | 18.04 | — |
| keystonePyPI | 16.0.0.0rc1 ≤ v < 16.0.0, v < 15.0.1 | 16.0.0, 15.0.1 |
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