Docker Enterprise /etc/docker directory ownership must be set to root:root.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-95747	DKER-EE-005210	SV-104885r1_rule		High

Description
Verify that the /etc/docker directory ownership and group-ownership is correctly set to root. /etc/docker directory contains certificates and keys in addition to various sensitive files. Hence, it should be owned and group-owned by root to maintain the integrity of the directory. By default, the ownership and group-ownership for this directory is correctly set to root.

STIG	Date
Docker Enterprise 2.x Linux/UNIX Security Technical Implementation Guide	2019-09-13

Details

Check Text ( C-94577r1_chk )

Ensure that /etc/docker directory ownership is set to root:root. On CentOS host OS's, execute the below command to verify that the directory is owned and group-owned by root: stat -c %U:%G /etc/docker If root:root is not displayed, this is a finding. On Ubuntu host OS's, execute the below command to verify that the /etc/default/docker directory ownership is set to root:root: stat -c %U:%G /etc/default/docker If root:root is not displayed, this is a finding.

Fix Text (F-101415r1_fix)
Set the ownership and group-ownership for the directory to root. On CentOS host OS's, execute the following command: chown root:root /etc/docker On Ubuntu host OS's, execute the following command: chown root:root /etc/default/docker