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wMCam21348.txt

wMCam21348.txt
Posted Mar 11, 2004
Authored by Donato Ferrante | Site autistici.org

wMCam server version 2.1.348 is susceptible to a denial of service attack when in excess of 300 connections are made to it each supplying a small amount of non-standard data.

tags | advisory, denial of service
SHA-256 | 4655458b570f61dc784e7404370a9406fbf36e74b4e0c13b3c96c5752521fada

wMCam21348.txt

Change Mirror Download
                           Donato Ferrante


Application: wMCam server
http://www.invicta.se

Version: 2.1.348

Bug: Denial Of Service

Author: Donato Ferrante
e-mail: fdonato@autistici.org
web: www.autistici.org/fdonato


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1. Description
2. The bug
3. The code
4. The fix


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----------------
1. Description:
----------------

Vendor's Description:

"wMCam server turns your computer into a Webcam Server."



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------------
2. The bug:
------------

The server is not able to manage a lot of not regular connections, in
fact it will stay up but it will not accept new connections.



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-------------
3. The code:
-------------

To test the vulnerability establish about 300 connections with the
server and send for each of these a little amount of data like:

"test_string"


NOTE: the data sent to the server must not contain the 'GET'.



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------------
4. The fix:
------------

Bug fixed in the version 2.1.354.



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