Crontabs must be owned by root or the crontab creator.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-11994	GEN003040	SV-45585r1_rule		Medium

Description
To protect the integrity of scheduled system jobs and prevent malicious modification to these jobs, crontab files must be secured.

STIG	Date
SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide	2018-09-19

Details

Check Text ( C-42938r1_chk )
List all crontabs on the system. # ls -lL /var/spool/cron /var/spool/cron/tabs # ls -lL /etc/crontab /etc/cron.{d,daily,hourly,monthly,weekly} or # ls -lL /etc/cron*|grep -v deny If any crontab is not owned by root or the creating user, this is a finding

Fix Text (F-38981r1_fix)
Change the crontab owner to root or the crontab creator. # chown root or # chown