Design Flaw in Security Product - ALLES! CTF 2021 @LiveOverflow
Design Flaw in Security Product - ALLES! CTF 2021  @LiveOverflow
Uploaded October 2021 | Updated September 2026, 2 weeks ago
In this video we are exploring a theoretical security product that automagically encrypts user data securely. But it has a fundamental design flaw which can be exploited.

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Challenge Files: github.com/LiveOverflow/ctf-cryptowaf

Walkthrough: youtube.com/watch?v=ZKrABs-N9wA
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CHAPTERS
00:00 - Intro
01:33 - Background Story
02:55 - What is CryptoWAF?
04:16 - Implementing Encryption
05:06 - Encryption Challenges
07:02 - Design Flaw
08:26 - Exploiting the Design Flaw
09:06 - Leaking Database
10:04 - WAF Bypass
11:04 - Conclusion
12:07 - Outro

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Design Flaw in Security Product - ALLES! CTF 2021

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