The EDB Postgres Advanced Server must generate audit records when privileges/permissions are deleted.

From EDB Postgres Advanced Server Security Technical Implementation Guide

Associated with: CCI-000172

SV-83651r2_rule The EDB Postgres Advanced Server must generate audit records when privileges/permissions are deleted.

Vulnerability discussion

Changes in the permissions, privileges, and roles granted to users and roles must be tracked. Without an audit trail, unauthorized elevation or restriction of individuals' and groups' privileges could go undetected. Elevated privileges give users access to information and functionality that they should not have; restricted privileges wrongly deny access to authorized users.In an SQL environment, deleting permissions is typically done via the REVOKE command.

Check content

Execute the following SQL as enterprisedb: SHOW edb_audit_statement; If the result is not "all" or if the current setting for this requirement has not been noted and approved by the organization in the system documentation, this is a finding.

Fix text

Execute the following SQL as enterprisedb: ALTER SYSTEM SET edb_audit_statement = 'all'; SELECT pg_reload_conf(); or Update the system documentation to note the organizationally approved setting and corresponding justification of the setting for this requirement.

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