II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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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 EDB Postgres Advanced Server to make security-related access-control decisions. Security labels are abstractions re...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 EDB Postgres Advanced Server to make security-related access-control decisions. Security labels are abstractions re...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 EDB Postgres Advanced Server to make security-related access-control decisions. Security labels are abstractions re...Rule Medium Severity -
SRG-APP-000328-DB-000301
Group -
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 which...Rule Medium Severity -
SRG-APP-000340-DB-000304
Group -
The EDB Postgres Advanced Server must prevent non-privileged users from executing privileged functions, to include disabling, circumventing, or altering implemented security safeguards/countermeasures.
Preventing non-privileged 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 must execute internal logic (stored procedures, functions, triggers, etc.) and/or external code modules with elevated privileges. Ho...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 must execute internal logic (stored procedures, functions, triggers, etc.) and/or external code modules with elevated privileges. Ho...Rule Medium Severity -
SRG-APP-000356-DB-000314
Group -
The EDB Postgres Advanced Server must utilize centralized management of the content captured in audit records generated by all components of the EDB Postgres Advanced Server.
Without the ability to centrally manage the content captured in the audit records, identification, troubleshooting, and correlation of suspicious behavior would be difficult and could lead to a del...Rule Medium Severity -
SRG-APP-000356-DB-000315
Group -
The EDB Postgres Advanced Server must provide centralized configuration of the content to be captured in audit records generated by all components of the EDB Postgres Advanced Server.
If the configuration of the DBMS's auditing is spread across multiple locations in the database management software, or across multiple commands, only loosely related, it is harder to use and takes...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.
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 that audi...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% 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 EDB Postgres on its own server will not be an issue. However, space will...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 failure events requiring real-time alerts.
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-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 (escal...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-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 Postgres Plus Advanced Ser...Rule Medium Severity -
SRG-APP-000389-DB-000372
Group -
The EDB Postgres Advanced Server must require users to re-authenticate when organization-defined circumstances or situations require re-authentication.
The DoD standard for authentication of an interactive user is the presentation of a Common Access Card (CAC) or other physical token bearing a valid, current, DoD-issued Public Key Infrastructure (...Rule Medium Severity -
SRG-APP-000427-DB-000385
Group -
The EDB Postgres Advanced Server must only accept end entity certificates issued by DoD PKI or DoD-approved PKI Certification Authorities (CAs) for the establishment of all encrypted sessions.
Only DoD-approved external PKIs evaluated to ensure security controls and identity vetting procedures are in place that are sufficient for DoD systems to rely on the identity asserted in the certif...Rule Medium Severity -
SRG-APP-000428-DB-000386
Group -
The EDB Postgres Advanced Server must implement cryptographic mechanisms to prevent unauthorized modification of organization-defined information at rest (to include, at a minimum, PII and classified information) on organization-defined information system components.
DBMSs handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. These cryptographic mec...Rule Medium Severity -
SRG-APP-000429-DB-000387
Group -
The EDB Postgres Advanced Server must implement cryptographic mechanisms preventing the unauthorized disclosure of organization-defined information at rest on organization-defined information system components.
DBMSs handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. These cryptographic mec...Rule Medium Severity -
SRG-APP-000441-DB-000378
Group -
The EDB Postgres Advanced Server must maintain the confidentiality and integrity of information during preparation for transmission.
Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, including, for example, during aggregation, at protocol transformation points, an...Rule Medium Severity -
SRG-APP-000442-DB-000379
Group -
The EDB Postgres Advanced Server must maintain the confidentiality and integrity of information during reception.
Information can be either unintentionally or maliciously disclosed or modified during reception, including, for example, during aggregation, at protocol transformation points, and during packing/un...Rule Medium Severity -
SRG-APP-000447-DB-000393
Group -
When invalid inputs are received, the EDB Postgres Advanced Server must behave in a predictable and documented manner that reflects organizational and system objectives.
A common vulnerability is unplanned behavior when invalid inputs are received. This requirement guards against adverse or unintended system behavior caused by invalid inputs, where information syst...Rule Medium Severity -
SRG-APP-000456-DB-000390
Group -
Security-relevant software updates to the EDB Postgres Advanced Server must be installed within the time period directed by an authoritative source (e.g., IAVM, CTOs, DTMs, and STIGs).
Security flaws with software applications, including database management systems, are discovered daily. Vendors are constantly updating and patching their products to address newly discovered secur...Rule Medium Severity -
SRG-APP-000503-DB-000350
Group -
The EDB Postgres Advanced Server must generate audit records when successful/unsuccessful logons, connections, or connection attempts occur.
For completeness of forensic analysis, it is necessary to track who/what (a user or other principal) logs on to the DBMS. It is also necessary to track failed attempts to log on to the DBMS. While...Rule Medium Severity
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