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Audit Configuration Files Must Be Owned By Group root

An XCCDF Rule

Description

All audit configuration files must be owned by group root. 

chown :root /etc/audit/audit*.{rules,conf} /etc/audit/rules.d/*

Rationale

Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel may be able to prevent the auditing of critical events. Misconfigured audits may degrade the system's performance by overwhelming the audit log. Misconfigured audits may also make it more difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.

ID
xccdf_org.ssgproject.content_rule_file_groupownership_audit_configuration
Severity
Medium
References
Updated



Remediation - Ansible

- name: Gather the package facts
  package_facts:
    manager: auto
  tags:
  - DISA-STIG-UBTU-20-010135
  - configure_strategy

Remediation - Shell Script

# Remediation is applicable only in certain platforms
if [ ! -f /.dockerenv ] && [ ! -f /run/.containerenv ] && dpkg-query --show --showformat='${db:Status-Status}\n' 'auditd' 2>/dev/null | grep -q installed; then

find /etc/audit/ -maxdepth 1 -type f ! -group 0 -regex '^audit(\.rules|d\.conf)$' -exec chgrp 0 {} \;

find /etc/audit/rules.d/ -maxdepth 1 -type f ! -group 0 -regex '^.*\.rules$' -exec chgrp 0 {} \;