openstack/keystone · Security
OpenStack Identity Keystone Improper Access Control
- GHSA ID
- GHSA-f82m-w3p3-cgp3
- CVE ID
- CVE-2016-4911
- Severity
- medium
- Published
- Updated
- CVSS
- 4.3 · CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CVSS v3
- 4.3 · CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CVSS v4
- 5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
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.
CWEs
- CWE-284 · Improper Access Control
References
- https://nvd.nist.gov/vuln/detail/CVE-2016-4911 ↗
- https://bugs.launchpad.net/keystone/+bug/1577558 ↗
- https://security.openstack.org/ossa/OSSA-2016-008.html ↗
- http://www.openwall.com/lists/oss-security/2016/05/17/10 ↗
- http://www.openwall.com/lists/oss-security/2016/05/17/11 ↗
- 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 ↗
- https://github.com/advisories/GHSA-f82m-w3p3-cgp3 ↗