The SSH PermitRootLogin option must be set correctly.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-51529	OSX8-00-00565	SV-65739r1_rule		Medium

Description
To assure individual accountability and prevent unauthorized access, organizational users shall be individually identified and authenticated. Users (and any processes acting on behalf of users) need to be uniquely identified and authenticated for all accesses other than those accesses explicitly identified and documented by the organization which outlines specific user actions that can be performed on the operating system without identification or authentication. Requiring individuals to be authenticated with an individual authenticator prior to using a group authenticator allows for traceability of actions, as well as, adding an additional level of protection of the actions that can be taken with group account knowledge.

Description

To assure individual accountability and prevent unauthorized access, organizational users shall be individually identified and authenticated. Users (and any processes acting on behalf of users) need to be uniquely identified and authenticated for all accesses other than those accesses explicitly identified and documented by the organization which outlines specific user actions that can be performed on the operating system without identification or authentication. Requiring individuals to be authenticated with an individual authenticator prior to using a group authenticator allows for traceability of actions, as well as, adding an additional level of protection of the actions that can be taken with group account knowledge.

STIG	Date
Apple OS X 10.8 (Mountain Lion) Workstation STIG	2015-02-10

Details

Check Text ( C-53863r1_chk )
To check if SSH has root logins enabled, run the following command: sudo grep ^PermitRootLogin /etc/sshd_config \| awk '{ print $2 }' If there is no result, or the result is set to "yes", this is a finding.

Fix Text (F-56335r1_fix)
In order to make sure that PermitRootLogin is disabled by the sshd, run the following command: sudo sed -i.bak 's/.PermitRootLogin./PermitRootLogin no/' /etc/sshd_config