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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22398	GEN003490	SV-39356r1_rule	ECLP-1	Medium

Description
If the group owner of the at.deny file is not set to system, bin, sys, or cron, unauthorized users could be allowed to view or edit sensitive information contained within the file. Unauthorized modification could result in Denial of Service to authorized at users or provide unauthorized users with the ability to run at jobs.

STIG	Date
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE	2018-09-18

Details

Check Text ( C-38302r1_chk )
Determine the group owner of the at.deny file. Procedure: # ls -lL /var/adm/cron/at.deny If the group owner is not bin, sys, system, or cron, this is a finding.

Fix Text (F-33590r1_fix)
Change the group owner of the at.deny file to bin, sys, system, or cron. Procedure: # chgrp cron /var/adm/cron/at.deny