Only authorized system accounts must have the SYSTEM tablespace specified as the default tablespace.

From Oracle Database 11.2g Security Technical Implementation Guide

Associated with: CCI-000366

SV-68249r2_rule Only authorized system accounts must have the SYSTEM tablespace specified as the default tablespace.

Vulnerability discussion

The Oracle SYSTEM tablespace is used by the database to store all DBMS system objects. Other use of the system tablespace may compromise system availability and the effectiveness of host system access controls to the tablespace files.

Check content

Run the query: select property_name, property_value from database_properties where property_name in ('DEFAULT_PERMANENT_TABLESPACE','DEFAULT_TEMP_TABLESPACE'); If either value is set to SYSTEM, this is a finding. Run the query: select username from dba_users where (default_tablespace = 'SYSTEM' or temporary_tablespace = 'SYSTEM') and username not in ('LBACSYS','OUTLN','SYS','SYSTEM'); If any non-default account records are returned, this is a finding.

Fix text

Create and dedicate tablespaces to support only one application. Do not share tablespaces between applications. Do not grant quotas to application object owners on tablespaces not dedicated to their associated application. Run the queries: alter database default tablespace ; alter database default temporary tablespace ; alter user default tablespace temporary tablespace ; Replace with the named user account. Replace with the new default tablespace name. Replace with the new default temporary tablespace name (typically TEMP). Repeat the "alter user" for each affected user account.

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