tools/sample_data.sh in OpenStack Keystone 2012.1.3, when access to Amazon Elastic Compute Cloud (Amazon EC2) is configured, uses world-readable permissions for /etc/keystone/ec2rc, which allows local users to obtain access to EC2 services by reading administrative access and secret values from this file.
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.