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Was just pentesting it, and have some minor result. If you are using S3 browser uploads, make sure parameters you supply to Presign do not contain \n or it can lead to format injection https://s3.amazonaws.com/doc/s3-developer-guide/RESTAuthenti...

Many aws SDK libs don't remove \n for you.

(I hope it wasn't me who broke it lol)



"Was just pentesting it" ... hopefully with their permission. Be careful.


It wasnt heavy pentesting, just some params jungling. No way it could cause anything :) still funny coincidence




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