EDB Postgres Advanced Server v11 on Windows Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The EDB Postgres Advanced Server must limit the number of concurrent sessions to an organization-defined number per user for all accounts and/or account types.
Database management includes the ability to control the number of users and user sessions utilizing a DBMS. Unlimited concurrent connections to the DBMS could allow a successful Denial of Service (...Rule Medium Severity -
The EDB Postgres Advanced Server must enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.
Authentication with a DoD-approved PKI certificate does not necessarily imply authorization to access the DBMS. To mitigate the risk of unauthorized access to sensitive information by entities that...Rule High Severity -
The EDB Postgres Advanced Server must be configured to provide audit record generation capability for DoD-defined auditable events within all EDB Postgres Advanced Server/database components.
Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. Audit rec...Rule Medium Severity -
The EDB Postgres Advanced Server must generate audit records for DoD-defined auditable events.
The EDB Postgres Advanced Server must generate audit records for DoD-defined auditable events within all DBMS/database components. Audit records should contain (at a minimum): -Time stamps to es...Rule Medium Severity -
The EDB Postgres Advanced Server must be configurable to overwrite audit log records, oldest first (First-In-First-Out - FIFO), in the event of unavailability of space for more audit log records.
It is critical that when the DBMS is at risk of failing to process audit logs as required, action be taken to mitigate the failure. Audit processing failures include: software/hardware errors; fail...Rule High Severity -
The EDB Postgres Advanced Server must protect its audit features from unauthorized access.
Protecting audit data also includes identifying and protecting the tools used to view and manipulate log data. Depending upon the log format and application, system and application log tools may p...Rule Medium Severity -
EDB Postgres Advanced Server software modules, to include stored procedures, functions, and triggers must be monitored to discover unauthorized changes.
If the system were to allow any user to make changes to software modules implemented within the database, then those changes might be implemented without undergoing the appropriate testing and appr...Rule Medium Severity -
The EDB Postgres Advanced Server software installation account must be restricted to authorized users.
When dealing with change control issues, it should be noted any changes to the hardware, software, and/or firmware components of the information system and/or application can have significant effec...Rule High Severity -
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.
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...Rule Medium Severity -
The role(s)/group(s) used to modify database structure (including but not necessarily limited to tables, indexes, storage, etc.) and logic modules (stored procedures, functions, triggers, links to software external to the EDB Postgres Advanced Server, etc.) must be restricted to authorized users.
If the DBMS were to allow any user to make changes to database structure or logic, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of ...Rule Medium Severity
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