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The EDB Postgres Advanced Server must isolate security functions from non-security functions.


Overview

Finding ID Version Rule ID IA Controls Severity
V-213605 PPS9-00-005800 SV-213605r508024_rule Medium
Description
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/or firmware of the information system responsible for enforcing the system security policy and supporting the isolation of code and data on which the protection is based. Developers and implementers can increase the assurance in security functions by employing well-defined security policy models; structured, disciplined, and rigorous hardware and software development techniques; and sound system/security engineering principles. Database Management Systems typically separate security functionality from non-security functionality via separate databases or schemas. Database objects or code implementing security functionality should not be commingled with objects or code implementing application logic. When security and non-security functionality are commingled, users who have access to non-security functionality may be able to access security functionality.
STIG Date
EDB Postgres Advanced Server Security Technical Implementation Guide 2022-06-13

Details

Check Text ( C-14827r290127_chk )
All PPAS built-in security packages are in the sys, pg_catalog, information_schema, and dbo schemas.

If any application-specific packages have been added to these schemas, this is a finding.
Fix Text (F-14825r290128_fix)
Remove all application-specific packages that were added to the sys, pg_catalog, information_schema, and dbo schemas.