Database objects (including but not limited to tables, indexes, storage, stored procedures, functions, triggers, links to software external to the EDB Postgres Advanced Server, etc.) must be owned by database/EDB Postgres Advanced Server principals authorized for ownership.

From EDB Postgres Advanced Server Security Technical Implementation Guide

Part of SRG-APP-000133-DB-000200

Associated with: CCI-001499

SV-83537r1_rule Database objects (including but not limited to tables, indexes, storage, stored procedures, functions, triggers, links to software external to the EDB Postgres Advanced Server, etc.) must be owned by database/EDB Postgres Advanced Server principals authorized for ownership.

Vulnerability discussion

Within the database, object ownership implies full privileges to the owned object, including the privilege to assign access to the owned objects to other subjects. Database functions and procedures can be coded using definer's rights. This allows anyone who utilizes the object to perform the actions if they were the owner. If not properly managed, this can lead to privileged actions being taken by unauthorized individuals.Conversely, if critical tables or other objects rely on unauthorized owner accounts, these objects may be lost when an account is removed.

Check content

Review system documentation to identify accounts authorized to own database objects. Review accounts that own objects in the database(s) by running this SQL command: select * from sys.all_objects; If any database objects are found to be owned by users not authorized to own database objects, this is a finding.

Fix text

Assign ownership of authorized objects to authorized object owner accounts by running this SQL command for each object to be changed: ALTER