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modzero / mod0BurpUploadScanner

HTTP file upload scanner for Burp Proxy
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flexinjector configured but file content not found in upload request #33

Closed dorkerdevil closed 5 years ago

dorkerdevil commented 5 years ago

I was testing a site profile, so i select a .png file and then sended the request to uploadscanner and set everything but i m getting this error

"flexinjector configured but file content not found in upload request, rare case of javascript changes? aborting

here is how request look like

POST /api/content HTTP/1.1 Host: example.com User-Agent: Firefox/62.0 Accept: application/vnd.zinc+json;level=17 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: image/png Authorization: Basic Timestamp: 2018-11-29T20:34:56.551+05:30 X-Requested-With: XMLHttpRequest Content-Length: 77643 Cookie: some cookies here .. Connection: close

‰PNG ...

floyd-fuh commented 5 years ago

You need to check if the PNG bytes are 1:1 the same as the PNG bytes in the file you specified in the flexiinjector. If not, that's the problem.

One way to work around this is to take the PNG bytes in the HTTP request you see, store them 1:1 in a file on the disc, then specify that file in Flexiinjector.

This is not an issue with the upload scanner, it told you exactly what the problem is: "flexinjector configured but file content not found in upload request, rare case of javascript changes?"

dorkerdevil commented 5 years ago

thanks for explaination