I had some tests on a servlet with @MultipartConfig and getParts()
and find that the hash collision attack was still in place.

Parameters like below cause the problem.
*********************************************************
--abc
Content-Disposition: form-data; name="EyEyEyEyEyEyEyEyEyEyEyEyEyEyEy"

1
--abc
Content-Disposition: form-data; name="EyEyEyEyEyEyEyEyEyEyEyEyEyEyFZ"

1
--abc
Content-Disposition: form-data; name="EyEyEyEyEyEyEyEyEyEyEyEyEyFZEy"

1
--abc
Content-Disposition: form-data; name="EyEyEyEyEyEyEyEyEyEyEyEyEyFZFZ"

1
--abc
Content-Disposition: form-data; name="EyEyEyEyEyEyEyEyEyEyEyEyFZEyEy"

1
--abc
Content-Disposition: form-data; name="EyEyEyEyEyEyEyEyEyEyEyEyFZEyFZ"

1
(repeat)
*********************************************************

As I wrote, the number of parameters is not limited to 10000.

Thanks.

--
Kanatoko
http://www.jumperz.net/




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