II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000233-DB-000124
Group -
The EDB Postgres Advanced Server 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, and...Rule Medium Severity -
SRG-APP-000243-DB-000128
Group -
Database contents must be protected from unauthorized and unintended information transfer by enforcement of a data transfer policy.
Applications, including DBMSs, must prevent unauthorized and unintended information transfer via shared system resources. Data used for the development and testing of applications often involves c...Rule Medium Severity -
SRG-APP-000243-DB-000374
Group -
Access to database files must be limited to relevant processes and to authorized, administrative users.
Applications, including DBMSs, must prevent unauthorized and unintended information transfer via shared system resources. Permitting only DBMS processes and authorized, administrative users to have...Rule Medium Severity -
SRG-APP-000251-DB-000160
Group -
The EDB Postgres Advanced Server 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 -
SRG-APP-000251-DB-000391
Group -
The EDB Postgres Advanced Server and associated applications must reserve the use of dynamic code execution for situations that require it.
With respect to database management systems, one class of threat is known as SQL Injection, or more generally, code injection. It takes advantage of the dynamic execution capabilities of various pr...Rule Medium Severity -
SRG-APP-000251-DB-000392
Group -
The EDB Postgres Advanced Server and associated applications, when making use of dynamic code execution, must scan input data for invalid values that may indicate a code injection attack.
With respect to database management systems, one class of threat is known as SQL Injection, or more generally, code injection. It takes advantage of the dynamic execution capabilities of various pr...Rule Medium Severity -
SRG-APP-000266-DB-000162
Group -
The EDB Postgres Advanced Server 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 -
SRG-APP-000267-DB-000163
Group -
The EDB Postgres Advanced Server must reveal detailed error messages only to the ISSO, ISSM, SA, and 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 -
SRG-APP-000295-DB-000305
Group -
The EDB Postgres Advanced Server must automatically terminate a user session after organization-defined conditions or trigger events requiring session disconnect.
This addresses the termination of user-initiated logical sessions in contrast to the termination of network connections that are associated with communications sessions (i.e., network disconnect). ...Rule Medium Severity -
SRG-APP-000311-DB-000308
Group -
The EDB Postgres Advanced Server must associate organization-defined types of security labels having organization-defined security label values with information in storage.
Without the association of security labels to information, there is no basis for the to make security-related access-control decisions. Security labels are abstractions representing the basic prop...Rule Medium Severity -
SRG-APP-000313-DB-000309
Group -
The EDB Postgres Advanced Server must associate organization-defined types of security labels having organization-defined security label values with information in process.
Without the association of security labels to information, there is no basis for the DBMS to make security-related access-control decisions. Security labels are abstractions representing the basic...Rule Medium Severity -
SRG-APP-000314-DB-000310
Group -
The EDB Postgres Advanced Server must associate organization-defined types of security labels having organization-defined security label values with information in transmission.
Without the association of security labels to information, there is no basis for the DBMS to make security-related access-control decisions. Security labels are abstractions representing the basic...Rule Medium Severity -
SRG-APP-000328-DB-000301
Group -
The EDB Postgres Advanced Server must enforce discretionary access control policies, as defined by the data owner, over defined subjects and objects.
Discretionary Access Control (DAC) is based on the notion that individual users are "owners" of objects, and therefore have discretion over who should be authorized to access the object and in whic...Rule Medium Severity -
SRG-APP-000340-DB-000304
Group -
The EDB Postgres Advanced Server must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.
Preventing nonprivileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges. System d...Rule Medium Severity -
SRG-APP-000342-DB-000302
Group -
Execution of software modules (to include stored procedures, functions, and triggers) with elevated privileges must be restricted to necessary cases only.
In certain situations, to provide required functionality, a DBMS needs to execute internal logic (stored procedures, functions, triggers, etc.) and/or external code modules with elevated privileges...Rule Medium Severity -
SRG-APP-000342-DB-000302
Group -
Execution of software modules (to include stored procedures, functions, and triggers) with elevated privileges must be restricted to necessary cases only.
In certain situations, to provide required functionality, a DBMS needs to execute internal logic (stored procedures, functions, triggers, etc.) and/or external code modules with elevated privileges...Rule Medium Severity -
SRG-APP-000357-DB-000316
Group -
The EDB Postgres Advanced Server must allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.
In order to ensure sufficient storage capacity for the audit logs, the DBMS must be able to allocate audit record storage capacity. Although another requirement (SRG-APP-000515-DB-000318) mandates ...Rule Medium Severity -
SRG-APP-000359-DB-000319
Group -
The EDB Postgres Advanced Server must provide a warning to appropriate support staff when allocated audit record storage volume reaches 75 percent of maximum audit record storage capacity.
Organizations are required to use a central log management system, so under normal conditions, the audit space allocated to the DBMS on its own server will not cause an issue. However, space will s...Rule Medium Severity -
SRG-APP-000360-DB-000320
Group -
The EDB Postgres Advanced Server must provide an immediate real-time alert to appropriate support staff of all audit log failures.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without a real-time alert, security personnel may be unaware of an impe...Rule Medium Severity -
SRG-APP-000374-DB-000322
Group -
The EDB Postgres Advanced Server must record time stamps in audit records and application data that can be mapped to Coordinated Universal Time (UTC, formerly GMT).
If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analysis. Time stamps generated by the DBMS must include date and time. Time ...Rule Medium Severity -
SRG-APP-000375-DB-000323
Group -
The EDB Postgres Advanced Server must generate time stamps for audit records and application data, with a minimum granularity of one second.
Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records. Time stamps generated by the DBMS must include date and time. Granular...Rule Medium Severity -
SRG-APP-000378-DB-000365
Group -
The EDB Postgres Advanced Server must prohibit user installation of logic modules (stored procedures, functions, triggers, views, etc.) without explicit privileged status.
Allowing regular users to install software without explicit privileges creates the risk that untested or potentially malicious software will be installed on the system. Explicit privileges (escalat...Rule Medium Severity -
SRG-APP-000380-DB-000360
Group -
The EDB Postgres Advanced Server must enforce access restrictions associated with changes to the configuration of the EDB Postgres Advanced Server or database(s).
Failure to provide logical access restrictions associated with changes to configuration may have significant effects on the overall security of the system. When dealing with access restrictions pe...Rule Medium Severity -
SRG-APP-000381-DB-000361
Group -
The EDB Postgres Advanced Server must produce audit records of its enforcement of access restrictions associated with changes to the configuration of the EDB Postgres Advanced Server or database(s).
Without auditing the enforcement of access restrictions against changes to configuration, it would be difficult to identify attempted attacks and an audit trail would not be available for forensic ...Rule Medium Severity -
SRG-APP-000383-DB-000364
Group -
The EDB Postgres Advanced Server must disable network functions, ports, protocols, and services deemed by the organization to be nonsecure, in accord with the Ports, Protocols, and Services Management (PPSM) guidance.
Use of nonsecure network functions, ports, protocols, and services exposes the system to avoidable threats. A database cluster listens on a single port (usually 5444 for EDB Postgres Advanced Serve...Rule Medium Severity
Node 2
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