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Kali Linux Web Penetration Testing Cookbook

You're reading from   Kali Linux Web Penetration Testing Cookbook Identify, exploit, and prevent web application vulnerabilities with Kali Linux 2018.x

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781788991513
Length 404 pages
Edition 2nd Edition
Languages
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Author (1):
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Gilberto Najera-Gutierrez Gilberto Najera-Gutierrez
Author Profile Icon Gilberto Najera-Gutierrez
Gilberto Najera-Gutierrez
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Toc

Table of Contents (12) Chapters Close

Preface 1. Setting Up Kali Linux and the Testing Lab FREE CHAPTER 2. Reconnaissance 3. Using Proxies, Crawlers, and Spiders 4. Testing Authentication and Session Management 5. Cross-Site Scripting and Client-Side Attacks 6. Exploiting Injection Vulnerabilities 7. Exploiting Platform Vulnerabilities 8. Using Automated Scanners 9. Bypassing Basic Security Controls 10. Mitigation of OWASP Top 10 Vulnerabilities 11. Other Books You May Enjoy

Step-by-step error-based SQL injections

In the previous recipe, we detected an SQLi. In this recipe, we will exploit that vulnerability and use it to extract information from the database.

How to do it...

We already know that DVWA is vulnerable to SQLi, so let's log in and browse to http://192.168.56.11/dvwa/vulnerabilities/sqli/. Then, follow the following steps:

  1. After detecting that an SQLi exists, the next step is to get to know the internal query, or, more precisely, the number of columns its result has. Enter any number in the User ID box and click Submit.
  2. Now, open the HackBar (hit F9) and click Load URL. The URL in the address bar should now appear in the HackBar.
  3. In the HackBar, we replace the value of the id...
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