Multi-endpoint Race Conditions

Опубликовано: 08 Январь 2024
на канале: Intigriti

4,175

👩‍🎓👨‍🎓 Learn about Race Condition vulnerabilities and how to exploit them! This lab's purchasing flow contains a race condition that enables you to purchase items for an unintended price. To solve the lab, we need to successfully purchase a Lightweight L33t Leather Jacket. When experimenting, it is recommended to purchase the gift card as you can later redeem this to avoid running out of store credit.

Overview:
0:00 Intro
0:30 Hidden multi-step sequences
2:45 Methodology: Predict, Probe, Prove
5:09 Multi-endpoint race conditions
5:54 Aligning multi-endpoint race windows
8:19 Lab: Multi-endpoint race conditions
9:55 Predict: identify a potential collision
11:04 Probe: benchmark the behavior
13:17 Prove: exploit the race condition
14:42 Recap
15:14 Bonus: solving without proper methodology
18:22 Conclusion

If you're struggling with the concepts covered in this lab, please review https://portswigger.net/web-security/... 🧠

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