November 2018
Beginner to intermediate
270 pages
7h 53m
English
Content preview from Bug Bounty Hunting Essentials
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Bypassing the GitLab 2F authentication
In 2016, a bug bounty hunter named José Torres published a vulnerability that allowed him to sign in to GitLab's accounts without knowing a user's password.
Before explaining the bug, let me explain what two-factor (2F) authentication is. Traditionally, applications employ a username and a password to provide access to them. It is easy and theoretically secure. But, if the password is compromised, a malicious user does not need to access to the user's account anymore.
With this in mind, some applications use other channels to confirm that the user who is entering an application is who they say they are. The second factor could be different ways for authentication, for example, an SMS received by the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.