Ensure AppArmor is installed

MediumLevel 1Automatedros

Description

AppArmor provides Mandatory Access Controls. The audit requires the apparmor and apparmor-utils packages. Host-level control from the CIS ROS Melodic benchmark (Ubuntu 18.04 robot hosts); run as root.

How it is checked

Audit method: Shell command

shell

command -v dpkg-query >/dev/null 2>&1 || exit 1
bad=0
for p in apparmor apparmor-utils; do s=$(dpkg-query -W -f='${Status}' "$p" 2>/dev/null); case "$s" in *' installed') ;; *) echo "$p is not installed"; bad=1 ;; esac; done
[ "$bad" -eq 0 ] && echo compliant

Expected output: compliant

How it is fixed

Fix method: Guidance or infrastructure patch

Install Apparmor. # apt install apparmor apparmor-utils

Properties

Operating systems: Any
Tags: rosros1melodicsystem
Reference: CIS ROS Melodic Benchmark v1.0.0 - 1.7.1.1 Ensure AppArmor is installed

Check this host

Run this on a machine you are allowed to audit. The scan is read-only.

shell

tmaegis scan --target ros