Crontab files must have mode 0600 or less permissive, and files in cron script directories must have mode 0700 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-978 | GEN003080 | SV-27340r1_rule | ECLP-1 | Medium |
| Description |
|---|
| To protect the integrity of scheduled system jobs and prevent malicious modification to these jobs, crontab files must be secured. |
| STIG | Date |
|---|---|
| Draft AIX Security Technical Implementation Guide | 2011-08-17 |
Details
| Check Text ( C-28476r1_chk ) |
|---|
| Check the mode of the crontab files. # ls -lL /var/spool/cron/crontabs/ If any crontab file has a mode more permissive than 0600, this is a finding. |
| Fix Text (F-24579r1_fix) |
|---|
| Change the mode of the crontab files. # chmod 0600 /var/spool/cron/crontabs/* |