Description
The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | keystone | 2:9.0.0-2 | — |
| Debian 13 | keystone | 2:9.0.0-2 | — |
| Debian 12 | keystone | 2:9.0.0-2 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | keystone | >= 9.0.0, < 9.0.1 | 9.0.1 | GHSA-f82m-w3p3-cgp3 |
References
- https://bugs.launchpad.net/keystone/+bug/1577558
- [oss-security] 20160517 CVE request for vulnerability in OpenStack Keystone mailing-list
- 90728 vdb-entry
- https://security.openstack.org/ossa/OSSA-2016-008.html
- https://review.openstack.org/#/c/311886/
- [oss-security] 20160517 Re: CVE request for vulnerability in OpenStack Keystone mailing-list