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Audit log folders must be group-owned by wheel.


Overview

Finding ID Version Rule ID IA Controls Severity
V-59611 AOSX-10-000334 SV-74041r1_rule Medium
Description
The audit service must be configured to create log files with the correct group-ownership to prevent normal users from reading audit logs. Audit logs contain sensitive data about the system and about users. If log files are set to only be readable and writable by root or administrative users with sudo, the risk is mitigated.
STIG Date
Apple OS X 10.10 (Yosemite) Workstation Security Technical Implementation Guide 2017-04-06

Details

Check Text ( C-60381r1_chk )
To check the group-ownership of the audit log folder, run the following command:

sudo ls -lde $(sudo grep '^dir' /etc/security/audit_control | awk -F: '{print $2}')

The results should show the group (fourth column) to be wheel. If not, this is a finding.
Fix Text (F-65021r1_fix)
For any log folder that has an incorrect group, run the following command:

sudo chgrp wheel [audit log folder]