Vulnerability Details CVE-2016-4911
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.3%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.0
References
- 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
- 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
Products affected by CVE-2016-4911
-
cpe:2.3:a:keystone:openstack_identity:9.0.0.0