The cron.deny file must be group-owned by root, bin, or sys.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22394	GEN003270	SV-26562r2_rule		Medium

Description
Cron daemon control files restrict the scheduling of automated tasks and must be protected. Unauthorized modification of the cron.deny file could result in Denial of Service to authorized cron users or could provide unauthorized users with the ability to run cron jobs.

STIG	Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide	2017-03-01

Details

Check Text ( C-36164r4_chk )
Check the group ownership of the file. Procedure: # ls -lL /etc/cron.deny If the file is not group-owned by root, bin, or sys, this is a finding.

Fix Text (F-31415r1_fix)
Change the group ownership of the file. # chgrp root /etc/cron.deny