Crunchy Data Postgres 16 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Database software, including PostgreSQL configuration files, must be stored in dedicated directories, or DASD pools, separate from the host OS and other applications.
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 potentially have signi...Rule Medium Severity -
Unused database components that are integrated in PostgreSQL and cannot be uninstalled must be disabled.
Information systems are capable of providing a wide variety of functions and services. Some of the functions and services, provided by default, may not be necessary to support essential organizatio...Rule Medium Severity -
PostgreSQL, when using PKI-based authentication, must validate certificates by performing RFC 5280-compliant certification path validation.
The DOD standard for authentication is DOD-approved PKI certificates. A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA)....Rule Medium Severity -
PostgreSQL must use NIST FIPS 140-2 or 140-3 validated cryptographic modules for cryptographic operations.
Use of weak or not validated cryptographic algorithms undermines the purposes of using encryption and digital signatures to protect data. Weak algorithms can be easily broken and not validated cryp...Rule High Severity -
PostgreSQL must uniquely identify and authenticate nonorganizational users (or processes acting on behalf of nonorganizational users).
Nonorganizational users include all information system users other than organizational users, which include organizational employees or individuals the organization deems to have equivalent status ...Rule Medium Severity -
PostgreSQL must protect the confidentiality and integrity of all information at rest.
This control is intended to address the confidentiality and integrity of information at rest in nonmobile devices and covers user information and system information. Information at rest refers to t...Rule High Severity -
PostgreSQL must isolate security functions from nonsecurity functions.
An isolation boundary provides access control and protects the integrity of the hardware, software, and firmware that perform security functions. Security functions are the hardware, software, an...Rule Medium Severity -
PostgreSQL must check the validity of all data inputs except those specifically identified by the organization.
Invalid user input occurs when a user inserts data or characters into an application's data entry fields and the application is unprepared to process that data. This results in unanticipated applic...Rule Medium Severity -
PostgreSQL must provide nonprivileged users with error messages that provide information necessary for corrective actions without revealing information that could be exploited by adversaries.
Any DBMS or associated application providing too much information in error messages on the screen or printout risks compromising the data and security of the system. The structure and content of er...Rule Medium Severity -
PostgreSQL must reveal detailed error messages only to the information system security officer (ISSO), information system security manager (ISSM), system administrator (SA), and database administrator (DBA).
If the DBMS provides too much information in error logs and administrative messages to the screen, this could lead to compromise. The structure and content of error messages need to be carefully co...Rule Medium Severity
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