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Crontab files must have mode 0600 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-978 | GEN003080 | SV-45600r2_rule | Medium |
| Description |
|---|
| To protect the integrity of scheduled system jobs and prevent malicious modification to these jobs, crontab files must be secured. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide | 2018-09-19 |
Details
| Check Text ( C-42966r1_chk ) |
|---|
| Check the mode of the crontab files. # ls -lL /etc/crontab /var/spool/cron/ /var/spool/cron/tabs/ If any crontab file has a mode more permissive than 0600, this is a finding. |
| Fix Text (F-38998r1_fix) |
|---|
| Change the mode of the crontab files. # chmod 0600 /var/spool/cron/* /etc/cron.d/* /etc/crontab # chmod 0600 /etc/crontab /var/spool/cron/* /var/spool/cron/tabs/* |