The EDB Postgres Advanced Server must protect its audit configuration from unauthorized modification.

From EDB Postgres Advanced Server Security Technical Implementation Guide

Associated with: CCI-001494

SV-83525r1_rule The EDB Postgres Advanced Server must protect its audit configuration from unauthorized modification.

Vulnerability discussion

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 audit data.Applications providing tools to interface with audit data will leverage user permissions and roles identifying the user accessing the tools and the corresponding rights the user enjoys in order make access decisions regarding the modification of audit tools.Audit tools include, but are not limited to, vendor-provided and open source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools include custom queries and report generators.

Check content

Verify User ownership, Group ownership, and permissions on the “edb_audit” directory: > ls –ald /edb_audit If the User owner is not “enterprisedb”, this is a finding If the Group owner is not “enterprisedb”, this is a finding. If the directory is more permissive than 700, this is a finding. (The default path for the postgresql data directory is /var/lib/ppas/9.5/data, but this will vary according to local circumstances.)

Fix text

Run these commands: 1) "chown enterprisedb /edb_audit" 2) "chgrp enterprisedb /edb_audit" 3) "chmod 700 /edb_audit" (The default path for the postgresql data directory is /var/lib/ppas/9.5/data, but this will vary according to local circumstances.)

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