MEDIUM4.3

PYSEC-2016-38

Quick fix

PYSEC-2016-38 — keystone: upgrade to the fixed version with the command below.

pip install --upgrade 'keystone>=9.0.1'

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: 9.0.0Fixed in: 9.0.1

Fixpip 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]