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This video is an explanation of the attack on AWS S3 implementation on undisclosed bug bounty platform. The vulnerability was found by Frans Rosen and he got $25,000 bounty for it.

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Report:
https://labs.detectify.com/2018/08/02/bypassing-exploiting-bucket-upload-policies-signed-urls/

Reporter’s twitter:
https://twitter.com/fransrosen

Follow me on twitter:
https://twitter.com/gregxsunday

Timestamps:
00:00 Intro
00:23 Detectify – the sponsor of the video
00:59 AWS S3
01:55 signed URLs
03:42 attacking signed URLs implementations

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