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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-227762	GEN003255	SV-227762r603266_rule		Medium

Description
The "at" daemon control files restrict access to scheduled job manipulation and must be protected. Unauthorized modification of the at.deny file could result in Denial of Service to authorized "at" users or provide unauthorized users with the ability to run "at" jobs.

STIG	Date
Solaris 10 X86 Security Technical Implementation Guide	2022-09-07

Details

Check Text ( C-29924r488870_chk )
Check the permissions of the file. # ls -lL /etc/cron.d/at.deny If the permissions include a "+", the file has an extended ACL and this is a finding.

Fix Text (F-29912r488871_fix)
Remove the extended ACL from the file. # chmod A- /etc/cron.d/at.deny