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The /etc/hosts file must be group-owned by wheel.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22324 GEN001367 M6 SV-38083r1_rule ECLP-1 Medium
Description
The /etc/hosts file (or equivalent) configures local host name to IP address mappings typically taking precedence over DNS resolution. If this file is maliciously modified, it could cause the failure or compromise of security functions requiring name resolution, such as time synchronization, centralized authentication, and remote system logging.
STIG Date
MAC OSX 10.6 Workstation Security Technical Implementation Guide 2013-04-09

Details

Check Text ( C-37620r1_chk )
Open a terminal session and enter the following command to verify the group ownership of the etc/hosts file.

ls -lL /etc/hosts

If the /etc/hosts file is not group owned by wheel, this is a finding.
Fix Text (F-32862r1_fix)
Open a terminal session and enter the following command to set the group to root.

chgrp wheel /etc/hosts