CVE-2020-12689
High
Description
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. Any user authenticated within a limited scope (trust/oauth/application credential) can create an EC2 credential with an escalated permission, such as obtaining admin while the user is on a limited viewer role. This potentially allows a malicious user to act as the admin on a project another user has the admin role on, which can effectively grant that user global admin privileges.
SeverityHigh
CVSS8.8
Exploit probability—
ProductOpenstack Keystone
PublishedMay 7, 2020
First seenMay 7, 2020
How to fix
Update
- openstack keystone15.0.1 or later
- keystone15.0.1, 16.0.1 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 | v < 15.0.1, 16.0.0 ≤ v < 16.0.1 | 15.0.1, 16.0.1 |
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