CVE-2012-4457: Medium severity Openstack Keystone vulnerability
OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's resources by requesting a token for the tenant.
Other sources
Rohit Karajgi discovered a vulnerability in OpenStack Keystone token handling:
Token authentication for a user belonging to a disable tenant should not be allowed.
External References: https://bugs.launchpad.net/keystone/+bug/988920
— Red Hat
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-4457?
CVE-2012-4457 has a medium severity level due to improper handling of authorization tokens for disabled tenants.
How do I fix CVE-2012-4457?
To fix CVE-2012-4457, upgrade OpenStack Keystone to version 2012.1.2 or later.
What are the affected versions in CVE-2012-4457?
OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 are affected by CVE-2012-4457.
Who is impacted by CVE-2012-4457?
Remote authenticated users can exploit CVE-2012-4457 to access resources of disabled tenants.
Is CVE-2012-4457 still exploitable in newer versions of Keystone?
No, CVE-2012-4457 is not exploitable in versions of Keystone released after 2012.1.2.