Best of 2021

The blog posts Hacker News loved most in 2021. 678 posts.

Security & Privacy
214

Escaping VirtualBox 6.1: Part 1

This post is about a VirtualBox escape for the latest currently available version (VirtualBox 6.1.16 on Windows). The vulnerabilities were discovered and exploited by our team Sauercl0ud as part of the RealWorld CTF 2020/2021. The vulnerability was known to the organizers, requires the guest to be able to insert…

218

That's not how 2FA works

Another day, another high-profile website cloned to phish credentials. Tess Rinearson@_tessrIs this a phishing attempt? Goes to "githubverification.com" and asks for username and pw (if so, it nearly got me!) /cc @github pic.x.com/jgt4oNvjF2❤️ 2,243💬 111🔁 016:12 - Sat 16 January 2021 In the replies, you’ll see lots of…

240

SAML Is Insecure by Design

What is SAML? Security Assertion Markup Language (SAML) is an open standard for exchanging authentication and authorization data between parties. Source: Wikipedia SAML is often used for single-sign on (“Sign in with Google”, “Sign in with Twitter” etc.). It means when you want to log in to example.com, example.com…