OpenStack Heat Templates (heat-templates), as used in Red Hat Enterprise Linux OpenStack Platform 4.0, sets gpgcheck to 0 for certain templates, which disables GPG signature checking on downloaded packages and allows man-in-the-middle attackers to install arbitrary packages via unspecified vectors.
- https://github.com/openstack/heat-templates/commit/65a4f8bebc72da71c616e2e378b7b1ac354db1a3
No PoCs found on GitHub currently.