https://stream.echo6.co/videos/watch/c5f82b06-c49b-4e3d-a9eb-361519888fd4 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. Challenge Files: https://github.com/LiveOverflow/ctf-cryptowaf Walkthrough: https://www.youtube.com/watch?v=ZKrABs-N9wA BugBountyReportsExplained: https://www.youtube.com/c/BugBountyReportsExplained 00:00 - Intro 01:33 - Background Story 02:55 - What is CryptoWAF? 04:16 - Implementing Encryption 05:06 - Encryption Challenges 06:59 - Implementing Decryption 07:02 - Design Flaw 08:26 - Exploiting the Design Flaw 09:06 - Leaking Database 10:04 - WAF Bypass 11:04 - Conclusion 12:07 - Outro -=[ ❤️ Support ]=- → per Video: https://www.patreon.com/join/liveoverflow → per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ 🐕 Social ]=- → Twitter: https://twitter.com/LiveOverflow/ → Instagram: https://instagram.com/LiveOverflow/ → Blog: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ Wed, 15 Apr 2026 09:26:26 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/c5f82b06-c49b-4e3d-a9eb-361519888fd4 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.