PostgreSQL 9.x Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000100-DB-000201
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SRG-APP-000514-DB-000381
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SRG-APP-000514-DB-000383
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PostgreSQL must implement NIST FIPS 140-2 or 140-3 validated cryptographic modules to protect unclassified information requiring confidentiality and cryptographic protection, in accordance with the data owners requirements.
Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The application must implement cryptographic modules adhering to the higher standards ...Rule High Severity -
SRG-APP-000231-DB-000154
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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 non-mobile devices and covers user information and system information. Information at rest refers to ...Rule High Severity -
SRG-APP-000378-DB-000365
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PostgreSQL must prohibit user installation of logic modules (functions, trigger procedures, 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-000211-DB-000122
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SRG-APP-000092-DB-000208
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PostgreSQL must initiate session auditing upon startup.
Session auditing is for use when a user's activities are under investigation. To be sure of capturing 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
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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 cryptograph...Rule Medium Severity -
SRG-APP-000098-DB-000042
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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
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SRG-APP-000141-DB-000093
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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
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Unused database components which 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
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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
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SRG-APP-000380-DB-000360
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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
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SRG-APP-000389-DB-000372
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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
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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 that they have security controls and identity vetting procedures in place which are sufficient for DoD systems to rely on the identity ...Rule Medium Severity -
SRG-APP-000095-DB-000039
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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
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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 cryptograph...Rule Medium Severity -
SRG-APP-000220-DB-000149
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SRG-APP-000121-DB-000202
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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
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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
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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
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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
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SRG-APP-000295-DB-000305
Group -
PostgreSQL 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-000340-DB-000304
Group
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