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Kali Linux Web Penetration Testing Cookbook

You're reading from   Kali Linux Web Penetration Testing Cookbook Over 80 recipes on how to identify, exploit, and test web application security with Kali Linux 2

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Product type Paperback
Published in Feb 2016
Publisher
ISBN-13 9781784392918
Length 296 pages
Edition 1st Edition
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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 FREE CHAPTER 2. Reconnaissance 3. Crawlers and Spiders 4. Finding Vulnerabilities 5. Automated Scanners 6. Exploitation – Low Hanging Fruits 7. Advanced Exploitation 8. Man in the Middle Attacks 9. Client-Side Attacks and Social Engineering 10. Mitigation of OWASP Top 10 Index

Abusing file inclusions and uploads


As we saw in Chapter 4, Finding Vulnerabilities, file inclusion vulnerabilities occur when developers use poorly validated input to generate file paths and use those paths to include source code files. Modern versions of server-side languages, such as PHP since 5.2.0, have by default disabled the ability to include remote files, so it has been less common to find an RFI since 2011.

In this recipe, we will first upload a couple of malicious files, one of them is a webshell (a web page capable of executing system commands in the server), and then execute them using local file inclusions.

Getting ready

We will use Damn Vulnerable Web Application (DVWA) in the vulnerable_vm for this recipe and will have it with a medium level of security, so let's set it up:

  1. Navigate to http://192.168.56.102/dvwa.

  2. Log in.

  3. Set the security level to medium: Go to DVWA Security, select medium in the combo box and click on Submit.

We will upload some files to the server, but you need...

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