TMA-DOCKER-3.7
Ensure that registry certificate file ownership is set to root:root
HighLevel 1Automateddocker
Description
Registry certificate files under /etc/docker/certs.d must be owned by root:root so that they cannot be replaced by unprivileged users. The audit lists files under /etc/docker/certs.d not owned by root:root; not applicable when /etc/docker/certs.d does not exist.
How it is checked
Audit method: Shell command
shell
out=$(find /etc/docker/certs.d -type f \( ! -user root -o ! -group root \) 2>/dev/null) || exit 1; [ -z "$out" ] && echo compliant || printf '%s\n' "$out"- Expected output
compliant
How it is fixed
Fix method: Shell command
shell
find /etc/docker/certs.d -type f -exec chown root:root {} +Properties
- Operating systems
- Any
- Tags
- dockerpermissionstls
- Reference
- CIS Docker Benchmark v1.9.0 - 3.7 Ensure that registry certificate file ownership is set to root:root
Check this host
Run this on a machine you are allowed to audit. The scan is read-only.
shell
tmaegis scan --target docker