Grinder in Red Hat CloudForms before 1.1 uses world-writable permissions for /var/lib/pulp/cache/grinder/, which allows local users to modify grinder cache files.
https://exchange.xforce.ibmcloud.com/vulnerabilities/80550
https://bugzilla.redhat.com/show_bug.cgi?id=882138
https://bugzilla.redhat.com/show_bug.cgi?id=828447
http://www.securityfocus.com/bid/56819
http://secunia.com/advisories/51472