cis-docker-v170-3.20

DevOps & Security

Ensure that the /etc/default/docker file permissions are set to 644 or more restrictively

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Server_Software/Docker/CIS_Docker_Benchmark_v1.7.0/cis-docker-v170-3.20/SKILL.md

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CIS Docker Benchmark v1.7.0 - Control 3.20

Description

You should verify that the /etc/default/docker file permissions are correctly set to 644 or more restrictively.

Rationale

The /etc/default/docker file contains sensitive parameters that may alter the behavior of the Docker daemon. It should therefore be writeable only by root in order to ensure that it is not modified by less privileged users.

Impact

None.

Audit Procedure

You should execute the command below to verify that the file permissions are correctly set to 644 or more restrictively:

stat -c %a /etc/default/docker

Remediation

You should execute the following command:

chmod 644 /etc/default/docker

This sets the file permissions for this file to 644.

Default Value

This file may not be present on the system and in this case, this recommendation is not applicable.

References

https://docs.docker.com/engine/admin/configuring/

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	3.3 Configure Data Access Control ListsConfigure data access control lists based on a user's need to know. Apply data access control lists, also known as access permissions, to local and remote file systems, databases, and applications.	●	●	●
v7	14.6 Protect Information through Access Control ListsProtect all information stored on systems with file system, network share, claims, application, or database specific access control lists. These controls will enforce the principle that only authorized individuals should have access to the information based on their need to access the information as a part of their responsibilities.	●	●	●

Profile Applicability

Level 2 - Docker - Linux

Assessment Status

Manual