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SQL Server must generate audit records showing starting and ending time for user access to the database(s).


Overview

Finding ID Version Rule ID IA Controls Severity
V-214017 SQL6-D0-015100 SV-214017r879876_rule Medium
Description
For completeness of forensic analysis, it is necessary to know how long a user's (or other principal's) connection to SQL Server lasts. This can be achieved by recording disconnections, in addition to logons/connections, in the audit logs. Disconnection may be initiated by the user or forced by the system (as in a timeout) or result from a system or network failure. To the greatest extent possible, all disconnections must be logged.
STIG Date
MS SQL Server 2016 Instance Security Technical Implementation Guide 2024-02-19

Details

Check Text ( C-15234r313834_chk )
Determine if an audit is configured and started by executing the following query:

SELECT name AS 'Audit Name',
status_desc AS 'Audit Status',
audit_file_path AS 'Current Audit File'
FROM sys.dm_server_audit_status

If no records are returned, this is a finding.

Execute the following query to verify the following events are included in the server audit specification:

APPLICATION_ROLE_CHANGE_PASSWORD_GROUP
AUDIT_CHANGE_GROUP
BACKUP_RESTORE_GROUP
DATABASE_CHANGE_GROUP
DATABASE_OBJECT_CHANGE_GROUP
DATABASE_OBJECT_OWNERSHIP_CHANGE_GROUP
DATABASE_OBJECT_PERMISSION_CHANGE_GROUP
DATABASE_OPERATION_GROUP
DATABASE_OWNERSHIP_CHANGE_GROUP
DATABASE_PERMISSION_CHANGE_GROUP
DATABASE_PRINCIPAL_CHANGE_GROUP
DATABASE_PRINCIPAL_IMPERSONATION_GROUP
DATABASE_ROLE_MEMBER_CHANGE_GROUP
DBCC_GROUP
LOGIN_CHANGE_PASSWORD_GROUP
LOGOUT_GROUP
SCHEMA_OBJECT_CHANGE_GROUP
SCHEMA_OBJECT_OWNERSHIP_CHANGE_GROUP
SCHEMA_OBJECT_PERMISSION_CHANGE_GROUP
SERVER_OBJECT_CHANGE_GROUP
SERVER_OBJECT_OWNERSHIP_CHANGE_GROUP
SERVER_OBJECT_PERMISSION_CHANGE_GROUP
SERVER_OPERATION_GROUP
SERVER_PERMISSION_CHANGE_GROUP
SERVER_PRINCIPAL_CHANGE_GROUP
SERVER_PRINCIPAL_IMPERSONATION_GROUP
SERVER_ROLE_MEMBER_CHANGE_GROUP
SERVER_STATE_CHANGE_GROUP
TRACE_CHANGE_GROUP
USER_CHANGE_PASSWORD_GROUP

SELECT a.name AS 'AuditName',
s.name AS 'SpecName',
d.audit_action_name AS 'ActionName',
d.audited_result AS 'Result'
FROM sys.server_audit_specifications s
JOIN sys.server_audits a ON s.audit_guid = a.audit_guid
JOIN sys.server_audit_specification_details d ON s.server_specification_id = d.server_specification_id
WHERE a.is_state_enabled = 1
AND d.audit_action_name IN ('APPLICATION_ROLE_CHANGE_PASSWORD_GROUP',
'AUDIT_CHANGE_GROUP',
'BACKUP_RESTORE_GROUP',
'DATABASE_CHANGE_GROUP',
'DATABASE_OBJECT_CHANGE_GROUP',
'DATABASE_OBJECT_OWNERSHIP_CHANGE_GROUP',
'DATABASE_OBJECT_PERMISSION_CHANGE_GROUP',
'DATABASE_OPERATION_GROUP',
'DATABASE_OWNERSHIP_CHANGE_GROUP',
'DATABASE_PERMISSION_CHANGE_GROUP',
'DATABASE_PRINCIPAL_CHANGE_GROUP',
'DATABASE_PRINCIPAL_IMPERSONATION_GROUP',
'DATABASE_ROLE_MEMBER_CHANGE_GROUP',
'DBCC_GROUP',
'LOGIN_CHANGE_PASSWORD_GROUP',
'LOGOUT_GROUP',
'SCHEMA_OBJECT_CHANGE_GROUP',
'SCHEMA_OBJECT_OWNERSHIP_CHANGE_GROUP',
'SCHEMA_OBJECT_PERMISSION_CHANGE_GROUP',
'SERVER_OBJECT_CHANGE_GROUP',
'SERVER_OBJECT_OWNERSHIP_CHANGE_GROUP',
'SERVER_OBJECT_PERMISSION_CHANGE_GROUP',
'SERVER_OPERATION_GROUP',
'SERVER_PERMISSION_CHANGE_GROUP',
'SERVER_PRINCIPAL_CHANGE_GROUP',
'SERVER_PRINCIPAL_IMPERSONATION_GROUP',
'SERVER_ROLE_MEMBER_CHANGE_GROUP',
'SERVER_STATE_CHANGE_GROUP',
'TRACE_CHANGE_GROUP',
'USER_CHANGE_PASSWORD_GROUP'
)
Order by d.audit_action_name


If the identified groups are not returned, this is a finding.
Fix Text (F-15232r313835_fix)
Add the "LOGOUT_GROUP" to the server audit specification
USE [master];
GO

ALTER SERVER AUDIT SPECIFICATION STIG_AUDIT_SERVER_SPECIFICATION WITH (STATE = OFF);
GO

ALTER SERVER AUDIT SPECIFICATION STIG_AUDIT_SERVER_SPECIFICATION ADD (LOGOUT_GROUP);
GO

ALTER SERVER AUDIT SPECIFICATION STIG_AUDIT_SERVER_SPECIFICATION WITH (STATE = ON);
GO