EDB Postgres Advanced Server v11 on Windows Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
The EDB Postgres Advanced Server must generate audit records showing starting and ending time for user access to the database(s) and concurrent logons/connections by the same user from different workstations.
For completeness of forensic analysis, it is necessary to know how long a user's (or other principal's) connection to the DBMS lasts. This can be achieved by recording disconnections, in addition t...Rule Medium Severity -
SRG-APP-000001-DB-000031
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SRG-APP-000023-DB-000001
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The EDB Postgres Advanced Server must integrate with an organization-level authentication/access mechanism providing account management and automation for all users, groups, roles, and any other principals.
Enterprise environments make account management for applications and databases challenging and complex. A manual process for account management functions adds the risk of a potential oversight or o...Rule High Severity -
SRG-APP-000033-DB-000084
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SRG-APP-000080-DB-000063
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The EDB Postgres Advanced Server must protect against a user falsely repudiating by ensuring all accounts are individual, unique, and not shared.
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-000089-DB-000064
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SRG-APP-000090-DB-000065
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The EDB Postgres Advanced Server must allow only the ISSM (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited.
Without the capability to restrict the types of roles and individuals that can select which events are audited, unauthorized personnel may be able to prevent or interfere with the auditing of criti...Rule Medium Severity
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