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


Overview

Finding ID Version Rule ID IA Controls Severity
V-22397 GEN003470 SV-39354r1_rule ECLP-1 Medium
Description
If the group-owner of the at.allow file is not set to system, bin, sys, or cron, unauthorized users could be allowed to view or edit the list of users permitted to run at jobs. 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-38301r1_chk )
Determine the group owner of the at.allow file.
Procedure:
# ls -lL /var/adm/cron/at.allow
If the group-owner is not bin, sys, system, or cron, this is a finding.
Fix Text (F-33589r1_fix)
Change the group owner of the at.allow file to sys, system, bin, or cron.
Procedure:
# chgrp cron /var/adm/cron/at.allow