Glitching Ruby Script

Transcript

1. Glitching Ruby Script using American Fuzzy Lop @shyouhei

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3. In short, AFL is a tool to glitch something.

4. Why not use it to glitch our ruby script.

5. Steps:

6. 1: patch ruby.

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8. OK That was too difficult.

9. Steps revised:

10. 1: docker pull.

11. That’s all ;)

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14. Outputs

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16. *OQVU (MJUDIFE

17. *OQVU (MJUDIFE

18. *OQVU (MJUDIFE

19. N o w , R u b y comes with

    many tests.

20. What if we glitch those tests?

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28. It’s fun that AFL automatically finds bugs.

29. Let AFL work for you today!