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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22389	GEN003210	SV-45628r1_rule		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
SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide	2018-09-19

Details

Check Text ( C-42994r1_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-39026r1_fix)
Remove the extended ACL from the file. # setfacl --remove-all /etc/cron.deny