If the cron.allow file exists it must be group-owned by root.

From Red Hat Enterprise Linux 7 Security Technical Implementation Guide

Associated with: CCI-000366

SV-86679r1_rule If the cron.allow file exists it must be group-owned by root.

Vulnerability discussion

If the group owner of the "cron.allow" file is not set to root, sensitive information could be viewed or edited by unauthorized users.

Check content

Verify that the "cron.allow" file is group-owned by root. Check the group owner of the "cron.allow" file with the following command: # ls -al /etc/cron.allow -rw------- 1 root root 6 Mar 5 2011 /etc/cron.allow If the "cron.allow" file exists and has a group owner other than root, this is a finding.

Fix text

Set the group owner on the "/etc/cron.allow" file to root with the following command: # chgrp root /etc/cron.allow

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