CFME: SSH Utility insecure tmp file creation leading to code execution as root

The 1 shellexec function in lib/util/MiqSshUtilV1.rb and 2 tempcmdfile function in lib/util/MiqSshUtilV2.rb in Red Hat CloudForms 3.0 Management Engine CFME before 5.2.4.2 allow local users to execute arbitrary commands via a symlink attack on a temporary file with a predictable name...