The cron.deny file must not have an extended ACL.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22389	GEN003210	SV-37486r1_rule	ECLP-1	Medium

Description
If there are excessive file permissions for the cron.deny file, sensitive information could be viewed or edited by unauthorized users.

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

Details

Check Text ( C-36145r1_chk )
Check the permissions of the file. # ls -lL /etc/cron.deny If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Fix Text (F-31394r1_fix)
Remove the extended ACL from the file. # setfacl --remove-all /etc/cron.deny