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UBTU-22-653075 Ubuntu 22.04 LTS must permit only authorized groups to own the audit configuration files.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to AU-12 via CCI-000171

Title

Ubuntu 22.04 LTS must permit only authorized groups to own the audit configuration files.

Control

Verify that "/etc/audit/audit.rules", "/etc/audit/auditd.conf", and "/etc/audit/rules.d/*" files are owned by root group by using the following command: $ sudo ls -al /etc/audit/audit.rules /etc/audit/auditd.conf /etc/audit/rules.d/* | awk '{print $4, $9}' root /etc/audit/audit.rules root /etc/audit/auditd.conf root /etc/audit/rules.d/audit.rules If "/etc/audit/audit.rules", "/etc/audit/auditd.conf", or "/etc/audit/rules.d/*" files are owned by a group other than "root", this is a finding.

Discussion

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.

Related controls

CCI-000171

Fix

Configure "/etc/audit/audit.rules", "/etc/audit/rules.d/*", and "/etc/audit/auditd.conf" files to be owned by root group by using the following command: $ sudo chown -R :root /etc/audit/audit.rules /etc/audit/auditd.conf /etc/audit/rules.d/*