Ensure AppArmor is installed
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Description
AppArmor provide Mandatory Access Controls.
Rationale
Without a Mandatory Access Control system installed only the default
Discretionary Access Control system will be available.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
# Remediation is applicable only in certain platforms
if [ ! -f /.dockerenv ] && [ ! -f /run/.containerenv ]; then
DEBIAN_FRONTEND=noninteractive apt-get install -y "apparmor"
else
>&2 echo 'Remediation is not applicable, nothing was done'
fi
Ansible playbook
The following playbook can be run with Ansible to remediate the issue.
- name: Ensure apparmor is installed
package:
name: apparmor
state: present
when: ansible_virtualization_type not in ["docker", "lxc", "openvz", "podman", "container"]
tags:
- DISA-STIG-UBTU-20-010439
- enable_strategy
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
- package_apparmor_installed
