/usr/bin/containerd should be audited if applicable
Set up the docker integration.
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Audit /usr/bin/containerd, if applicable.
Rationale
As well as auditing the 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 behavior depends on some key files and directories, including /usr/bin/containerd, so it should be audited.
Audit
Verify that there is an audit rule corresponding to the /usr/bin/containerd file. To display the rule for the /usr/bin/containerd file, run:
auditctl -l | grep /usr/bin/containerd
You should add a rule for the /usr/bin/containerd file. For example, add the following line to a new file in /etc/audit/rules.d/. For instance, create a file named docker.rules:
echo "-w /usr/bin/containerd -k docker" > /etc/audit/rules.d/docker.rules
Then, reload the audit rules:
Next, restart the audit daemon using the following command:
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.
Default value
By default, Docker-related files and directories are not audited. The file /usr/bin/containerd may not be present on the system and in that case, this recommendation is not applicable.
References
- https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Security_Guide/chap-system_auditing.html
- https://github.com/docker/docker/pull/20662
- https://containerd.tools/
CIS controls
Version 6.14.6 Enforce Detailed Audit Logging For Sensitive Information - Enforce detailed audit logging for access to nonpublic data and special authentication for sensitive data.
Version 7.14.9 Enforce Detail Logging for Access or Changes to Sensitive Data - Enforce 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).
