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Crontabs must be owned by root or the crontab creator.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-11994 | GEN003040 | SV-45585r1_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 | 2017-05-18 |
Details
| Check Text ( C-42938r1_chk ) |
|---|
| List all crontabs on the system. # ls -lL /var/spool/cron /var/spool/cron/tabs # ls -lL /etc/crontab /etc/cron.{d,daily,hourly,monthly,weekly} or # ls -lL /etc/cron*|grep -v deny If any crontab is not owned by root or the creating user, this is a finding |
| Fix Text (F-38981r1_fix) |
|---|
| Change the crontab owner to root or the crontab creator. # chown root or # chown |