The cron.deny file must be group-owned by wheel.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22394	GEN003270 M6	SV-38119r1_rule	ECLP-1	Medium

Description
The cron daemon control files and restricts 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
MAC OSX 10.6 Workstation Security Technical Implementation Guide Draft	2013-01-10

Details

Check Text ( C-37650r1_chk )
Open a terminal session and enter the following command to verify the group ownership of the "/private/var/at/cron.deny" file. ls -lL /private/var/at/cron.deny If the "/private/var/at/cron.deny" file is not group owned by wheel, this is a finding.

Fix Text (F-32891r1_fix)
Open a terminal session and enter the following command to set the group. chgrp wheel /private/var/at/cron.deny