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PostgreSQL Penetration Testing: A Comprehensive Guide

PostgreSQL is a powerful open-source relational database widely used in enterprise applications. However, misconfigurations and vulnerabilities can expose it to security threats. This blog provides a detailed penetration testing guide for PostgreSQL, covering enumeration, exploitation, privilege escalation, and mitigation strategies.
1. Information Gathering (Reconnaissance)
🔍 Identifying PostgreSQL Instances
Using Nmap to Detect PostgreSQL:
nmap -p 5432 --script=pgsql-info <target>
Checking Open Ports Locally:
netstat -tulnp | grep 5432
Identifies if PostgreSQL is running on the system.
📌 Enumerating Users & Databases
Checking for Default Credentials:
postgres:postgres
postgres:admin
postgres:password
Metasploit PostgreSQL Scanner:
msfconsole
use auxiliary/scanner/postgres/postgres_login
set RHOSTS <target>
set USERNAME postgres
set PASSWORD postgres
run
- Verifying Authentication Mode in ****
pg_hba.conf
: PostgreSQL authentication mode should not…