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Crontab files must be group-owned by system, cron, or the crontab creator's primary group.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22385 GEN003050 SV-39866r1_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
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2018-09-18

Details

Check Text ( C-38871r1_chk )
Check the group ownership of the crontab files.
# ls -lL /var/spool/cron/crontabs/
If the group owner is not system, cron, or the crontab owner's primary group, this is a finding.
Fix Text (F-34015r1_fix)
Change the group owner of the crontab file to system, cron, or the crontab's primary group.
Procedure:
# chgrp cron [crontab file]