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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

A7 – Ensuring function level access control


The function level access control is the type of access control that prevents the calling of functions by anonymous or unauthorized users. The lack of this kind of control is the seventh most critical security issue in Web applications according to OWASP.

In this recipe, we will see some recommendations to improve the access control of our applications at the function level.

How to do it...

  1. Ensure that the workflow's privileges are correctly checked at every step.

  2. Deny all access by default and then allow tasks after an explicit verification of authorization.

  3. Users, roles, and authorizations should be stored in a flexible media, such as a database or a configuration file. Do not hardcode them.

  4. Again, "Security through obscurity" is not a good posture to take.

How it works...

It is not uncommon that the developers check for authorization only at the beginning of a workflow and assume that the following tasks will be authorized for the user. An attacker...

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