MEDIUM 4.3

PYSEC-2016-38

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI / keystone

Introduced in: 9.0.0 Fixed in: 9.0.1

Fix pip install --upgrade 'keystone>=9.0.1'

References

http://www.openwall.com/lists/oss-security/2016/05/17/10 [ARTICLE]
https://security.openstack.org/ossa/OSSA-2016-008.html [ADVISORY]
https://review.openstack.org/#/c/311886/ [ADVISORY]
http://www.openwall.com/lists/oss-security/2016/05/17/11 [ARTICLE]
https://bugs.launchpad.net/keystone/+bug/1577558 [ADVISORY]
http://www.securityfocus.com/bid/90728 [ADVISORY]