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Video of File Upload Vulnerabilities P12 OverTheWire Natas 13 in Web PenTesting course by Motasem Hamdan Cyber Security & Tech channel, video No. 10 free certified online
In this video walk-through, we covered another file upload vulnerability where the vulnerable code contained a PHP function exif_imagetype to check on the image extension. We bypassed this restriction by changing the magic number of the file to appear as a GIF image then appended a short PHP one liner to execute system commands.
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