The operating system must automatically audit account disabling actions.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-51407	OSX8-00-00130	SV-65617r1_rule		Medium

Description
When accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual application users or for identifying processes themselves. In order to detect and respond to events affecting user accessibility and operating system processing, the operating system must audit account disabling actions and, as required, notify the appropriate individuals, so they can investigate the event. Such a capability greatly reduces the risk that accessibility will be negatively affected for extended periods of time and provides logging that can be used for forensic purposes.

Description

When accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual application users or for identifying processes themselves. In order to detect and respond to events affecting user accessibility and operating system processing, the operating system must audit account disabling actions and, as required, notify the appropriate individuals, so they can investigate the event. Such a capability greatly reduces the risk that accessibility will be negatively affected for extended periods of time and provides logging that can be used for forensic purposes.

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

Details

Check Text ( C-53743r1_chk )
In order to view the currently configured flags for the audit daemon, run the following command: sudo grep ^flags /etc/security/audit_control \| sed 's/flags://' \| tr "," "\n" \| grep ad The account creation events are logged by way of the "ad" flag. If "ad" is not listed in the result of the check, this is a finding.

Fix Text (F-56205r1_fix)
To make sure the appropriate flags are enabled for auditing, run the following command: sudo sed -i.bak '/^flags/ s/$/,ad/' /etc/security/audit_control