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Cis Docker V160 1.1.5

DevOps & Security
cis-docker-v160-1.1.5

Cis Docker V160 1.1.5 is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Ensure auditing is configured for Docker files and directories - /var/lib/docker

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Inspect the Agent Skill at https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Server_Software/Docker/CIS_Docker_Benchmark_v1.6.0/cis-docker-v160-1.1.5/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/cis-docker-v160-1-1-5, but wait for my approval before writing files or running scripts.

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CIS Docker Benchmark v1.6.0 - 1.1.5

Profile Applicability

  • Level 1 - Docker - Linux
  • Level 2 - Docker - Linux

Description

Audit /var/lib/docker.

Rationale

As well as auditing the normal Linux file system and system calls, you should also audit all Docker related files and directories. The Docker daemon runs with root privileges and its behaviour depends on some key files and directories. /var/lib/docker is one such directory. As it holds all the information about containers it should be audited.

Impact

Auditing can generate large log files. You should ensure that these are rotated and archived periodically. A separate partition should also be created for audit logs to avoid filling up any other critical partition.

Audit Procedure

You should verify that there is an audit rule applied to the /var/lib/docker directory. For example, you could execute the command below:

auditctl -l | grep /var/lib/docker

This should list a rule for the /var/lib/docker directory.

Remediation

You should add a rule for the /var/lib/docker directory.

For example, Add the line as below to the /etc/audit/audit.rules file:

-a exit,always -F path=/var/lib/docker -F perm=war -k docker

Then, restart the audit daemon using the following command

systemctl restart auditd

Default Value

By default, Docker related files and directories are not audited.

References

  1. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/system_design_guide/auditing-the-system_system-design-guide

CIS Controls

Controls VersionControlIG 1IG 2IG 3
v88.5 Collect Detailed Audit LogsConfigure detailed audit logging for enterprise assets containing sensitive data. Include event source, date, username, timestamp, source addresses, destination addresses, and other useful elements that could assist in a forensic investigation.●●
v714.9 Enforce Detail Logging for Access or Changes to Sensitive DataEnforce detailed audit logging for access to sensitive data or changes to sensitive data (utilizing tools such as File Integrity Monitoring or Security Information and Event Monitoring).●

Assessment Status

Manual

Additional Information

N/A