Directory traversal in Argon Client Management Services 1.31 Mar 10 2008 09:44PM
Luigi Auriemma (aluigi autistici org)

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Luigi Auriemma

Application: Argon Client Management Services
http://www.argontechnology.com/product.aspx/cid1/43
Versions: <= 1.31 (TFTP Boot Server <= 2.5.3.1)
Platforms: Windows
Bug: directory traversal in TFTP Boot Server
Exploitation: remote
Date: 08 Mar 2008
Author: Luigi Auriemma
e-mail: aluigi (at) autistici (dot) org [email concealed]
web: aluigi.org

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

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

From vendor's website:
"Client Management Services® (CMS) includes all the server-based
services (PXE Server, BOOTP Server) and administration tools needed to
setup an open network boot environment. You can deploy your favorite
third party client management tools in a pre-OS booting phase."

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2) Bug
======

The TFTP Boot Server is affected by a classical directory traversal
vulnerability which allows an attacker to download (upload is not
allowed) any file from the disk where is located the tftp folder.

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

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

tftpx SERVER ../../windows/win.ini none
tftpx SERVER ..\boot.ini none

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4) Fix
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No fix

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

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