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The cron.allow file must be group-owned by root, bin, sys, or cron.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22391 GEN003250 SV-45640r1_rule Medium
Description
If the group of the cron.allow is not set to root, bin, sys, or cron, the possibility exists for an unauthorized user to view or edit the list of users permitted to use cron. Unauthorized modification of this file could cause Denial of Service to authorized cron users or provide unauthorized users with the ability to run cron jobs.
STIG Date
SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide 2018-09-19

Details

Check Text ( C-43006r1_chk )
Check the group ownership of the file.

Procedure:
# ls -lL /etc/cron.allow

If the file is not group-owned by root, bin, sys, or cron, this is a finding.
Fix Text (F-39038r1_fix)
Change the group ownership of the file.

Procedure:
# chgrp root /etc/cron.allow