The DBMS must generate audit records when privileges/permissions are modified.

From VMW vRealize Automation 7.x PostgreSQL Security Technical Implementation Guide

Associated with: CCI-000172

SV-100059r1_rule The DBMS must generate audit records when privileges/permissions are modified.

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, modifying permissions is typically done via the GRANT, REVOKE, and DENY commands.

Check content

At the command prompt, execute the following command: # grep '^\s*log_statement\b' /storage/db/pgdata/postgresql.conf If "log_statement" is not "all", this is a finding.

Fix text

At the command prompt, execute the following commands: # /opt/vmware/vpostgres/current/bin/psql -U postgres -c "ALTER SYSTEM SET log_statement TO 'all';" # /opt/vmware/vpostgres/current/bin/psql -U postgres -c "SELECT pg_reload_conf();"

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