AOH :: HP Unsorted A :: BX2505.HTM

ASUS Remote Console 2.0.0.24 buffer overflow



Buffer-overflow in ASUS Remote Console 2.0.0.24
Buffer-overflow in ASUS Remote Console 2.0.0.24




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                             Luigi Auriemma

Application:  ASUS Remote Console
http://www.asus.com/999/html/share/9/icon/9/index.htm#asmb3 
Versions:     <= 2.0.0.24
Platforms:    Windows
Bug:          buffer overflow
Exploitation: remote
Date:         21 Mar 2008
Author:       Luigi Auriemma
e-mail: aluigi@autistici.org 
              web:    aluigi.org


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


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

>From the manual:
"The ASUS Remote Console (ARC) is an efficient and flexible application
that allows monitoring and control of the remote host."

The main component of this service is a telnet server listening on port
623 which is called DpcProxy and provides an IPMI interface.


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

The DPC Proxy is affected by a buffer-overflow vulnerability located in
the function which gets the data received from the client, stores them
in a stack buffer of about 1024 bytes and checks the presence of an end
of line delimiter (carriage return).


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

http://aluigi.org/poc/asuxdpc.txt 

  nc SERVER 623 -v -v -w 2 < asuxdpc.txt


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

No fix


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--- 
Luigi Auriemma
http://aluigi.org 

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