Cron and crontab directories must have mode 0755 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-979	GEN003100	SV-64375r1_rule		Medium

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

STIG	Date
Oracle Linux 5 Security Technical Implementation Guide	2020-02-25

Details

Check Text ( C-52777r1_chk )
Check the mode of the crontab directories. Procedure: # ls -ld /var/spool/cron # ls -ld /etc/cron.d /etc/crontab /etc/cron.daily /etc/cron.hourly /etc/cron.monthly /etc/cron.weekly or # ls -ld /etc/cron*|grep -v deny If the mode of any of the crontab directories is more permissive than 0755, this is a finding.

Fix Text (F-54959r4_fix)
Change the mode of the crontab directories. # chmod 0755