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The cron.allow file must be group-owned by system, bin, sys, or cron.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22391 | GEN003250 | SV-39346r1_rule | ECLP-1 | Medium |
| Description |
|---|
| If the group of the cron.allow is not set to system, bin, sys, or cron, the possibility exists for an unauthorized user to view or edit the list of users permitted to use cron. Unauthorized modification of this file could cause Denial of Service to authorized cron users or provide unauthorized users with the ability to run cron jobs. |
| STIG | Date |
|---|---|
| AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2017-12-08 |
Details
| Check Text ( C-38292r1_chk ) |
|---|
| Determine the group owner of the cron.allow file. Procedure: # ls -lL /var/adm/cron/cron.allow If the group owner is not bin, sys, system, or cron, this is a finding. |
| Fix Text (F-33580r1_fix) |
|---|
| Change the group owner of the cron.allow file to bin, sys, system, or cron. Procedure: # chgrp cron /var/adm/cron/cron.allow |