The services file must be group-owned by wheel.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22427	GEN003770 M6	SV-38122r1_rule	ECLP-1	Medium

Description
Failure to give ownership of system configuration files to a system group provides the designated owner and unauthorized users with the potential to change the system configuration which could weaken the system's security posture.

STIG	Date
MAC OSX 10.6 Workstation Security Technical Implementation Guide Draft	2013-01-10

Details

Check Text ( C-37663r1_chk )
Open a terminal session and enter the following command to verify the group ownership of the /etc/services file. ls -lL /etc/services If the /etc/services file is not group owned by wheel, this is a finding.

Fix Text (F-32904r1_fix)
Open a terminal session and enter the following command to set the group. chgrp wheel /etc/services