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Modern Web Application Penetration Testing Part 2, Hash Length Extension Attacks

  • Thursday, February 20, 2020 at 3:30 PM EST (2020-02-20 20:30:00 UTC)
  • Adrien de Beaupre

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Overview

We will discuss the meaning and go into the technical details of this vulnerability along with its exploitation. Message Authentication Code (MAC) is a popular way of validating if something has changed. There are a number of ways as well as hashing algorithms to do so. TL;DR use a HMAC with SHA3. Live demo! With code! Exploitable applications!

Speaker Bio

Adrien de Beaupre

Adrien de Beaupre is a Principal SANS instructor and works as an independent consultant in beautiful Ottawa, Ontario. His work experience includes course development, technical instruction, vulnerability assessment, and penetration testing. He is a member of the SANS Internet Storm Center (isc.sans.edu) and is actively involved with the information security community.

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