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Bug Bounty Hunting Essentials

You're reading from Bug Bounty Hunting Essentials Quick-paced guide to help white-hat hackers get through bug bounty programs

Product type Paperback

Published in Nov 2018

Publisher

ISBN-13 9781788626897

Length 270 pages

Edition 1st Edition

Tools

Android

Concepts

Bug Bounty

Authors (2):

Shahmeer Amir

Carlos A. Lozano

View More author details

Table of Contents (15) Chapters

Preface

1. Basics of Bug Bounty Hunting

2. How to Write a Bug Bounty Report FREE CHAPTER

3. SQL Injection Vulnerabilities

4. Cross-Site Request Forgery

5. Application Logic Vulnerabilities

6. Cross-Site Scripting Attacks

7. SQL Injection

8. Open Redirect Vulnerabilities

9. Sub-Domain Takeovers

10. XML External Entity Vulnerability

11. Template Injection

12. Top Bug Bounty Hunting Tools

13. Top Learning Resources

14. Other Books You May Enjoy

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Sub-domain takeovers in the wild

In the following sections, we will review some examples of reports about sub-domain takeovers.

Ubiquiti sub-domain takeovers

On February 6 2017, a bug bounty hunter called madrobot published a report about domain takeover in Ubiquiti.

madrobot discovered that one of Ubiquiti's subdomains was pointing to the following Google IP address:

216.58.203.243    moderator.ubnt.com216.58.203.243    ghs.google.com216.58.203.243    ghs.l.google.com

The DNS register for the sub-domain was illustrated in the follow-up evidence, as shown in the following screenshot:

So, when the user entered the sub-domain moderator.ubnt.com from the web browser, it showed Google's page instead, as shown in the following screenshot:

As we can see, any user can claim the sub-domain for themselves and use it to damage Ubiquiti.

Note

If you want to read more about this bug, visit the following link: https://hackerone.com/reports/181665.

Scan.me pointing to Zendesk

On February 16 2016, a security researcher...

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Authors (2)

Shahmeer Amir

Shahmeer Amir

Shahmeer Amir is ranked as the third most accomplished bug hunter worldwide and has helped more than 400 organizations, including Facebook, Microsoft, Yahoo, and Twitter, resolve critical security issues in their systems. Following his vision of a safer internet, Shahmeer Amir is the founder and CEO of a cyber security start-up in Pakistan, Veiliux, aiming to secure all kinds of organizations. Shahmeer also holds relevant certifications in the field of cyber security from renowned organizations such as EC-Council, Mile2, and ELearn Security. By profession, Shahmeer is an electrical engineer working on different IoT products to make the lives of people easier.

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Carlos A. Lozano

Carlos A. Lozano

Carlos A. Lozano is a security consultant with more than 15 years' experience in various security fields. He has worked as a penetration tester, but most of his experience is with security application assessments. He has assessed financial applications, ISC/SCADA systems, and even low-level applications, such as drivers and embedded components. Two years ago, he started on public and private bug bounty programs and focused on web applications, source code review, and reversing projects. Also, Carlos works as Chief Operations Officer at Global CyberSec, an information security firm based in Mexico, with operations in the USA and Chile.

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