Audit log files permissions must have mode 440 or less permissive.

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Audit log files permissions must have mode 440 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-58329	AOSX-09-000335	SV-72759r1_rule		Medium

Description
The audit service must be configured to create log files with the correct permissions 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 10.9 (Mavericks) Workstation Security Technical Implementation Guide	2017-01-05

Details

Check Text ( C-59155r2_chk )
To check the permissions of the audit log files, run the following command: sudo ls -le $(sudo grep '^dir' /etc/security/audit_control \| awk -F: '{print $2}') \| grep -v current The results should show the permissions (first column) to be 440 or less permissive. If not, this is a finding.

Fix Text (F-63645r3_fix)
For any log files that returns an incorrect permission value, run the following command: sudo chmod 440 [audit log file] [audit log file] is the full path to the log file in question.