4.3 Medium
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
59.4%
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.
www.openwall.com/lists/oss-security/2016/05/17/10
www.openwall.com/lists/oss-security/2016/05/17/11
www.securityfocus.com/bid/90728
bugs.launchpad.net/keystone/+bug/1577558
review.openstack.org/#/c/311886/
security.openstack.org/ossa/OSSA-2016-008.html