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You're reading from  Burp Suite Cookbook - Second Edition

Product typeBook
Published inOct 2023
PublisherPackt
ISBN-139781835081075
Edition2nd Edition
Tools
Burp Suite
Concepts
Penetration Testing
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Author (1)
Dr. Sunny Wear
Dr. Sunny Wear
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Dr. Sunny Wear

Dr. Sunny Wear is a web security architect and penetration tester. She provides secure coding classes, creates software, and performs penetration testing on web/API and mobile applications. Sunny has more than 25 years of hands-on software programming, architecture, and security experience and holds a Doctor of Science in Cybersecurity. She is a content creator on Pluralsight, with three courses on Burp Suite. She is a published author, a developer of mobile apps such as Burp Tool Buddy, and a content creator on courses related to web security and penetration testing. She regularly speaks and holds classes at security conferences such as Defcon, Hackfest, and BSides.
Read more about Dr. Sunny Wear

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Working with JWTs

As more sites provide client API access, JWTs are commonly used for authentication. These tokens hold identity and claim information tied to the resources the user is granted access to on the target site. Web-penetration testers need to read these tokens and determine their strength. Fortunately, there are some handy plugins that make working with JWTs inside Burp Suite much easier. We will learn about these plugins in this recipe.

Getting ready

Log in to your PortSwigger account. We will be using Lab: JWT authentication bypass via flawed signature verification (https://portswigger.net/web-security/jwt/lab-jwt-authentication-bypass-via-flawed-signature-verification) and the JWT Editor extension to exploit a signature vulnerability in our target application.

How to do it...

  1. Switch to Burp Suite Extensions | BApp Store and install the JWT Editor plugin:
Figure 11.7 – The JWT Editor extension

Figure 11.7 – The JWT Editor extension

  1. After you install...
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Burp Suite Cookbook - Second Edition
Published in: Oct 2023Publisher: PacktISBN-13: 9781835081075
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Dr. Sunny Wear

Dr. Sunny Wear is a web security architect and penetration tester. She provides secure coding classes, creates software, and performs penetration testing on web/API and mobile applications. Sunny has more than 25 years of hands-on software programming, architecture, and security experience and holds a Doctor of Science in Cybersecurity. She is a content creator on Pluralsight, with three courses on Burp Suite. She is a published author, a developer of mobile apps such as Burp Tool Buddy, and a content creator on courses related to web security and penetration testing. She regularly speaks and holds classes at security conferences such as Defcon, Hackfest, and BSides.
Read more about Dr. Sunny Wear

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