The cron.allow file must have mode 0600 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-975	GEN002980	SV-27326r1_rule	ECLP-1	Medium

Description
A readable and/or writable cron.allow file by users other than root could allow potential intruders and malicious users to use the file contents to help discern information, such as who is allowed to execute cron programs, which could be harmful to overall system and network security.

STIG	Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide	2017-03-01

Details

Check Text ( C-28462r1_chk )
Check mode of the cron.allow file. Procedure: # ls -lL /etc/cron.allow If the file has a mode more permissive than 0600, this is a finding.

Fix Text (F-24566r1_fix)
Change the mode of the cron.allow file to 0600. Procedure: # chmod 0600 /etc/cron.allow