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The Ubuntu operating system must alert the ISSO and SA (at a minimum) in the event of an audit processing failure.


Overview

Finding ID Version Rule ID IA Controls Severity
V-219226 UBTU-18-010300 SV-219226r610963_rule Medium
Description
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an impending failure of the audit capability, and system operation may be adversely affected. Audit processing failures include software/hardware errors, failures in the audit capturing mechanisms, and audit storage capacity being reached or exceeded. This requirement applies to each audit data storage repository (i.e., distinct information system component where audit records are stored), the centralized audit storage capacity of organizations (i.e., all audit data storage repositories combined), or both.
STIG Date
Canonical Ubuntu 18.04 LTS Security Technical Implementation Guide 2021-11-29

Details

Check Text ( C-20951r305006_chk )
Verify that the System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) are notified in the event of an audit processing failure.

Check that the Ubuntu operating system notifies the SA and ISSO (at a minimum) win the event of an audit processing failure with the following command:

# sudo grep action_mail_acct = root /etc/audit/auditd.conf

action_mail_acct = root

If the value of the "action_mail_acct" keyword is not set to "root" and/or other accounts for security personnel, the "action_mail_acct" keyword is missing, or the returned line is commented out, this is a finding.
Fix Text (F-20950r305007_fix)
Configure "auditd" service to notify the System Administrator (SA) and Information System Security Officer (ISSO) in the event of an audit processing failure.

Edit the following line in "/etc/audit/auditd.conf" to ensure that administrators are notified via email for those situations:

action_mail_acct = root

Restart the auditd service so the changes take effect:
# sudo systemctl restart auditd.service