medium4.3
CVE-2016-4911
OpenStack Identity Keystone Improper Access Control
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | keystone | >= 9.0.0, < 9.0.1 | 9.0.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Keystone | Openstack Identity | Version 9.0.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- http://www.openwall.com/lists/oss-security/2016/05/17/10
- http://www.openwall.com/lists/oss-security/2016/05/17/11
- http://www.securityfocus.com/bid/90728
- https://bugs.launchpad.net/keystone/+bug/1577558
- https://review.openstack.org/#/c/311886/
- https://security.openstack.org/ossa/OSSA-2016-008.html
- https://github.com/advisories/GHSA-f82m-w3p3-cgp3
- https://nvd.nist.gov/vuln/detail/CVE-2016-4911
- https://github.com/openstack/keystone/commit/0d376025bae61bf5ee19d992c7f336b99ac69240
- https://github.com/openstack/keystone/commit/ee1dc941042d1f71699971c5c30566af1b348572
- https://review.openstack.org/#/c/311886
- https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2016-38.yaml