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The cron.allow file must be group-owned by root, bin, sys, or cron.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22391 | GEN003250 | SV-37499r1_rule | ECLP-1 | Medium |
| Description |
|---|
| If the group of the cron.allow is not set to root, 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 |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2015-03-12 |
Details
| Check Text ( C-36155r1_chk ) |
|---|
| Check the group ownership of the file. Procedure: # ls -lL /etc/cron.allow If the file exists and is not group-owned by root, bin, sys or cron, this is a finding. |
| Fix Text (F-31406r1_fix) |
|---|
| Change the group ownership of the file. Procedure: # chgrp root /etc/cron.allow |