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Showing SKILL.md
| name | cis-docker-5.7 |
| description | Ensure sshd is not run within containers |
| category | cis-docker |
| version | 1.8.0 |
| author | cyberstrike-official |
| tags | ["cis","docker","linux","containers","runtime","ssh","security"] |
| cis_id | 5.7 |
| cis_benchmark | CIS Docker Benchmark v1.8.0 |
| tech_stack | ["linux","docker"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
The SSH daemon should not be running within the container. You should SSH into the Docker host, and use docker exec to enter a container.
Running SSH within the container increases the complexity of security management by making it
It is possible to have shell access to a container without using SSH, the needlessly increasing the complexity of security management should be avoided.
None.
List all the running instances of containers by executing below command:
docker ps --quiet
For each container instance, execute the below command:
docker exec <CONTAINER_ID> ps -el
Ensure that there is no process for SSH server.
Uninstall the SSH daemon from the container and use and use docker exec to enter a container on the remote host.
docker exec --interactive --tty <CONTAINER_ID> sh
OR
docker attach <CONTAINER_ID>
By default, SSH server is not running inside the container. Only one process per container is allowed.
4.8 Uninstall or Disable Unnecessary Services on Enterprise Assets and Software
Uninstall or disable unnecessary services on enterprise assets and software, such as an unused file sharing service, web application module, or service function.
9.2 Ensure Only Approved Ports, Protocols and Services Are Running
Ensure that only network ports, protocols, and services listening on a system with validated business needs, are running on each system.