Check: GEN003080
Title
Crontab files must have mode 0600 or less permissive. (Cat II impact)
Discussion
To protect the integrity of scheduled system jobs and prevent malicious modification to these jobs, crontab files must be secured.
Check Content
Check the mode of the crontab files. # ls -lL /var/spool/cron/crontabs/ If any crontab file has a mode more permissive than 0600, this is a finding.
Fix Text
Change the mode of the crontab files. # chmod 0600 /var/spool/cron/crontabs/*
Additional Identifiers
Rule ID:
Vulnerability ID: V-978
Group Title:
Expert Comments
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CCIs
CCIs tied to check.
| Number | Definition |
|---|---|
| CCI-000225 |
The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions. |
Controls
Controls tied to check. These are derived from the CCIs shown above.
| Number | Title |
|---|---|
| AC-6 |
Least Privilege |