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The Oracle Linux operating system must have cron logging implemented.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-221750 | OL07-00-021100 | SV-221750r744083_rule | Medium |
| Description |
|---|
| Cron logging can be used to trace the successful or unsuccessful execution of cron jobs. It can also be used to spot intrusions into the use of the cron facility by unauthorized and malicious users. |
| STIG | Date |
|---|---|
| Oracle Linux 7 Security Technical Implementation Guide | 2021-06-14 |
Details
| Check Text ( C-23465r744081_chk ) |
|---|
| Verify that "rsyslog" is configured to log cron events. Check the configuration of "/etc/rsyslog.conf" or "/etc/rsyslog.d/*.conf" files for the cron facility with the following command: Note: If another logging package is used, substitute the utility configuration file for "/etc/rsyslog.conf" or "/etc/rsyslog.d/*.conf" files. # grep cron /etc/rsyslog.conf /etc/rsyslog.d/*.conf cron.* /var/log/cron If the command does not return a response, check for cron logging all facilities by inspecting the "/etc/rsyslog.conf" or "/etc/rsyslog.d/*.conf" files. Look for the following entry: *.* /var/log/messages If "rsyslog" is not logging messages for the cron facility or all facilities, this is a finding. |
| Fix Text (F-23454r744082_fix) |
|---|
| Configure "rsyslog" to log all cron messages by adding or updating the following line to "/etc/rsyslog.conf" or a configuration file in the /etc/rsyslog.d/ directory: cron.* /var/log/cron The rsyslog daemon must be restarted for the changes to take effect: $ sudo systemctl restart rsyslog.service |