TMAegis
More rules for ros

ROS (Robot Operating System)

TMA-ROS1-1.4.2

Ensure filesystem integrity is regularly checked

MediumLevel 1Automatedros

Description

Periodic checking of the filesystem integrity is needed to detect changes to the filesystem. The audit requires an enabled and active aidecheck.timer or a cron job (root crontab, /etc/crontab, /etc/cron.*) that runs aide. 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
e=$(systemctl is-enabled aidecheck.timer 2>/dev/null)
[ "$e" = enabled ] && systemctl is-active --quiet aidecheck.timer && { echo compliant; exit 0; }
c=$( (crontab -u root -l 2>/dev/null; cat /etc/crontab /etc/cron.d/* 2>/dev/null; ls /etc/cron.daily /etc/cron.weekly 2>/dev/null) | grep -E '(^|[^#].*)\baide' )
[ -n "$c" ] && echo compliant || echo 'no aidecheck.timer or aide cron job'
Expected output
compliant

How it is fixed

Fix method: Guidance or infrastructure patch

Run the following commands: # cp ./config/aidecheck.service /etc/systemd/system/aidecheck.service # cp ./config/aidecheck.timer /etc/systemd/system/aidecheck.timer # chmod 0644 /etc/systemd/system/aidecheck.* # systemctl reenable aidecheck.timer # systemctl restart aidecheck.timer # systemctl daemon-reload OR Run the following command: # crontab -u root -e Add the following line to the crontab: 0 5 * * * /usr/bin/aide.wrapper --config /etc/aide/aide.conf --check

Properties

Operating systems
Any
Tags
rosros1melodicsystem
Reference
CIS ROS Melodic Benchmark v1.0.0 - 1.4.2 Ensure filesystem integrity is regularly checked

Check this host

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

shell
tmaegis scan --target ros