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Cogent DataHub <= 7.1.1.63 Integer Overflow

🗓️ 01 Jul 2014 00:00:00Reported by RootType 
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Cogent DataHub <= 7.1.1.63 Integer Overflow in Window

Code

                                                #######################################################################

                             Luigi Auriemma

Application:  Cogent DataHub
              http://www.cogentdatahub.com/Products/Cogent_DataHub.html
Versions:     &#60;= 7.1.1.63
Platforms:    Windows
Bug:          integer overflow
Exploitation: remote
Date:         13 Sep 2011
Author:       Luigi Auriemma
              e-mail: [email protected]
              web:    aluigi.org


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1) Introduction
2) Bug
3) The Code
4) Fix


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===============
1) Introduction
===============


DataHub is a software for the SCADA and automation sector.


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======
2) Bug
======


The server/service listens on port 80 using a custom web server.

The software is affected by an integer overflow caused by the
allocation of the amount of memory specified by the Content-Length
field (-1 or 4294967295) plus one resulting in a buffer of zero bytes.


#######################################################################

===========
3) The Code
===========


http://aluigi.org/poc/cogent_3.dat
http://www.exploit-db.com/sploits/17839.dat

  nc SERVER 80 &#60; cogent_3.dat


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======
4) Fix
======


No fix.


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