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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22390	GEN003245	SV-38363r1_rule	ECLP-1	Medium

Description
File system extended ACLs provide access to files beyond what is allowed by the mode numbers of the files. Unauthorized modification of the at.allow file could result in Denial of Service to authorized at users and the granting of the ability to run at jobs to unauthorized users.

STIG	Date
HP-UX 11.31 Security Technical Implementation Guide	2018-09-14

Details

Check Text ( C-36474r1_chk )
Check the permissions of the file. # ls -lL /var/adm/cron/at.allow If the permissions include a "+" the file has an extended ACL, this is a finding.

Fix Text (F-31817r1_fix)
Remove the optional ACL from the file. # chacl -z /var/adm/cron/at.allow