II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000211-DB-000122
Group -
PostgreSQL must separate user functionality (including user interface services) from database management functionality.
Information system management functionality includes functions necessary to administer databases, network components, workstations, or servers and typically requires privileged user access. The s...Rule Medium Severity -
SRG-APP-000092-DB-000208
Group -
PostgreSQL must initiate session auditing upon startup.
Session auditing is for use when a user's activities are under investigation. To ensure the capture of all activity during those periods when session auditing is in use, it needs to be in operation...Rule Medium Severity -
SRG-APP-000428-DB-000386
Group -
PostgreSQL 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.
PostgreSQLs handling data requiring data-at-rest protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. These cryptographic...Rule Medium Severity -
SRG-APP-000098-DB-000042
Group -
PostgreSQL must produce audit records containing sufficient information to establish the sources (origins) of the events.
Information system auditing capability is critical for accurate forensic analysis. Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events...Rule Medium Severity -
SRG-APP-000141-DB-000091
Group -
Unused database components, PostgreSQL software, and database objects must be removed.
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 -
SRG-APP-000141-DB-000093
Group -
Access to external executables must be disabled or restricted.
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 -
SRG-APP-000141-DB-000092
Group -
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 -
SRG-APP-000313-DB-000309
Group -
PostgreSQL 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 PostgreSQL to make security-related access-control decisions. Security labels are abstractions representing the bas...Rule Medium Severity -
SRG-APP-000171-DB-000074
Group -
If passwords are used for authentication, PostgreSQL must store only hashed, salted representations of passwords.
The DOD standard for authentication is DOD-approved PKI certificates. Authentication based on User ID and Password may be used only when it is not possible to employ a PKI certificate, and require...Rule High Severity -
SRG-APP-000380-DB-000360
Group -
PostgreSQL must enforce access restrictions associated with changes to the configuration of PostgreSQL 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-000080-DB-000063
Group -
PostgreSQL must protect against a user falsely repudiating having performed organization-defined actions.
Non-repudiation of actions taken is required in order to maintain data integrity. Examples of particular actions taken by individuals include creating information, sending a message, approving info...Rule Medium Severity -
SRG-APP-000359-DB-000319
Group -
The system 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 PostgreSQL on its own server will not be an issue. However, space will st...Rule Medium Severity -
SRG-APP-000516-DB-000363
Group -
PostgreSQL must provide the means for individuals in authorized roles to change the auditing to be performed on all application components, based on all selectable event criteria within organization-defined time thresholds.
If authorized individuals do not have the ability to modify auditing parameters in response to a changing threat environment, the organization may not be able to effectively respond, and important ...Rule Medium Severity -
SRG-APP-000389-DB-000372
Group -
PostgreSQL must require users to reauthenticate when organization-defined circumstances or situations require reauthentication.
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-000176-DB-000068
Group -
PostgreSQL must enforce authorized access to all PKI private keys stored/utilized by PostgreSQL.
The DoD standard for authentication is DoD-approved PKI certificates. PKI certificate-based authentication is performed by requiring the certificate holder to cryptographically prove possession of ...Rule High Severity -
SRG-APP-000427-DB-000385
Group -
PostgreSQL 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 have been 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 ...Rule Medium Severity -
SRG-APP-000095-DB-000039
Group -
PostgreSQL must produce audit records containing sufficient information to establish what type of events occurred.
Information system auditing capability is critical for accurate forensic analysis. Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate t...Rule Medium Severity -
SRG-APP-000429-DB-000387
Group -
PostgreSQL must implement cryptographic mechanisms preventing the unauthorized disclosure of organization-defined information at rest on organization-defined information system components.
PostgreSQLs handling data requiring data-at-rest protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. These cryptographic...Rule Medium Severity -
SRG-APP-000220-DB-000149
Group -
PostgreSQL must invalidate session identifiers upon user logout or other session termination.
Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries to capture and continue to employ previously valid session IDs. This requirement focuses on ...Rule Medium Severity -
SRG-APP-000121-DB-000202
Group -
PostgreSQL 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 ...Rule Medium Severity -
SRG-APP-000096-DB-000040
Group -
PostgreSQL must produce audit records containing time stamps to establish when the events occurred.
Information system auditing capability is critical for accurate forensic analysis. Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events re...Rule Medium Severity -
SRG-APP-000123-DB-000204
Group -
PostgreSQL must protect its audit features from unauthorized removal.
Protecting audit data also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operation on au...Rule Medium Severity -
SRG-APP-000515-DB-000318
Group -
PostgreSQL must off-load audit data to a separate log management facility; this must be continuous and in near real time for systems with a network connection to the storage facility and weekly or more often for stand-alone systems.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. P...Rule Medium Severity -
SRG-APP-000224-DB-000384
Group -
PostgreSQL must maintain the authenticity of communications sessions by guarding against man-in-the-middle attacks that guess at Session ID values.
One class of man-in-the-middle, or session hijacking, attack involves the adversary guessing at valid session identifiers based on patterns in identifiers already known. The preferred technique fo...Rule Medium Severity -
SRG-APP-000148-DB-000103
Group -
PostgreSQL must uniquely identify and authenticate organizational users (or processes acting on behalf of organizational users).
To ensure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system. Organizational use...Rule Medium Severity
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