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The operating system must audit the execution of privileged functions.


Overview

Finding ID Version Rule ID IA Controls Severity
V-58509 AOSX-09-002120 SV-72939r1_rule Medium
Description
Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and ongoing concern and can have significant adverse impacts on organizations. Auditing the use of privileged functions is one way to detect such misuse, and identify the risk from insider threats and the advanced persistent threat.
STIG Date
Apple OS X 10.9 (Mavericks) Workstation Security Technical Implementation Guide 2017-01-05

Details

Check Text ( C-59371r1_chk )
In order to view the currently configured flags for the audit daemon, run the following command:

sudo grep ^flags /etc/security/audit_control

Privileged access is logged via the 'ad' flag.

If 'ad' is not listed in the result of the check, this is a finding.
Fix Text (F-63859r1_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; sudo audit -s

A text editor may also be used to implement the required update to the /etc/security/audit_control file.