HexBrain

LY Corporation · Report #1068301

File sizes may be manipulated into negative numbers when uploading

Validstatus
mediumseverity
$500bounty
59upvotes
10 Jul 2024disclosed

Summary

When uploading a large file, a message indicating that there is not enough storage space is displayed. However, because the file size is recalculated and transmitted during upload, if the file is altered to have a negative size, the upload is allowed.

How it was found

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