If you want to read more about the issues, you can check out the Moodle release news for the 3.0.2 and 2.9.4 versions.
We have released Bitnami Moodle installers, virtual machines and Amazon EC2, Google, Oracle, VMware vCloud Air, DigitalOcean and Azure cloud images that fix these issues.
Have questions about Bitnami Moodle or the security issue? Post to our community forum, and we would be happy to help you.