The at directory must not have an extended ACL.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-38790r1_rule The at directory must not have an extended ACL.

Vulnerability discussion

If the at directory has an extended ACL, unauthorized users could be allowed to view or to edit files containing sensitive information within the at directory. Unauthorized modifications could result in Denial of Service to authorized at jobs.

Check content

Check the permissions of the file. #aclget /var/spool/cron/atjobs Verify if extended permissions are disabled. If extended permissions are not disabled, this is a finding.

Fix text

Remove the extended ACL from the at directory and disable extended permissions. #acledit /var/spool/cron/atjobs

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