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Nmap: Network Exploration and Security Auditing Cookbook

You're reading from   Nmap: Network Exploration and Security Auditing Cookbook Network discovery and security scanning at your fingertips

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781786467454
Length 416 pages
Edition 2nd Edition
Languages
Tools
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Author (1):
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Paulino Calderon Paulino Calderon
Author Profile Icon Paulino Calderon
Paulino Calderon
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Table of Contents (18) Chapters Close

Preface 1. Nmap Fundamentals 2. Network Exploration FREE CHAPTER 3. Reconnaissance Tasks 4. Scanning Web Servers 5. Scanning Databases 6. Scanning Mail Servers 7. Scanning Windows Systems 8. Scanning ICS SCADA Systems 9. Optimizing Scans 10. Generating Scan Reports 11. Writing Your Own NSE Scripts 12. HTTP, HTTP Pipelining, and Web Crawling Configuration Options 13. Brute Force Password Auditing Options 14. NSE Debugging 15. Additional Output Options 16. Introduction to Lua 17. References and Additional Reading

Finding root accounts with an empty password in MySQL servers


New system administrators and distracted users often make the mistake of leaving the root account of a MySQL server with no password. This is a blatant security vulnerability that could be exploited by attackers. Penetration testers and system administrators need to detect these vulnerable installations before the bad guys do.

This recipe will show you how to use Nmap to check for empty root passwords in MySQL servers.

How to do it...

Open a terminal and enter the following command:

$ nmap -p3306 --script mysql-empty-password <target>

If the accounts root or anonymous have an empty password, it will be shown in the script results:

   Nmap scan report for 127.0.0.1 
   Host is up (0.11s latency). 
   3306/tcp open  mysql 
   | mysql-empty-password: 
   |_  root account has empty password

How it works...

The argument -p3306 --script mysql-empty-password make Nmap launch the NSE script mysql-empty-password if a MySQL server is found...

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