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Cron and crontab directories must have mode 0755 or less permissive.


Overview

Finding ID Version Rule ID IA Controls Severity
V-979 GEN003100 SV-45602r1_rule Medium
Description
To protect the integrity of scheduled system jobs and to 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-42968r1_chk )
Check the mode of the crontab directories.

Procedure:
# ls -ld /var/spool/cron /var/spool/cron/tabs


ls -ld /etc/crontab /etc/cron.{d,daily,hourly,monthly,weekly}
or
# ls -ld /etc/cron*|grep -v deny

If the mode of any of the crontab directories is more permissive than 0755, this is a finding.
Fix Text (F-39000r1_fix)
Change the mode of the crontab directories.
# chmod 0755