full-disclosure - Directory traversal and DoS in WinIPDS G52-33-021

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Date: Tue, 12 Feb 2008 19:17:00 +0100
From: Luigi Auriemma <aluigi@...istici.org>
To: bugtraq@...urityfocus.com, bugs@...uritytracker.com,
	news@...uriteam.com, full-disclosure@...ts.grok.org.uk, vuln@...unia.com,
	packet@...ketstormsecurity.org
Subject: Directory traversal and DoS in WinIPDS G52-33-021

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

                             Luigi Auriemma

Application:  Intermate WinIPDS
              http://www.intermate.com/ipdssoftware
Versions:     <= Release 3.3 Revision G52-33-021
Platforms:    Windows
Bugs:         A] directory traversal in web administration
              B] Denial of Service versus the IPDS port
Exploitation: remote
Date:         12 Feb 2008
Author:       Luigi Auriemma
              e-mail: aluigi@...istici.org
              web:    aluigi.org

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

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

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

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

WinIPDS is a commercial AFP (Advanced function printing) and IPDS
(Intelligent Printer Data Stream) print server for Windows.

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

=======
2) Bugs
=======

--------------------------------------------
A] directory traversal in web administration
--------------------------------------------

WinIPDS includes a web server for the remote administration of the
service.
This web interface is vulnerable to a classical directory traversal
attack exploitable with both the plain slash and backslash delimiters
allowing an attacker to download any file from the disk on which is
installed the program.

-----------------------------------------
B] Denial of Service versus the IPDS port
-----------------------------------------

5001 is the port used by the IPDS service for the remote printing of
the files.
The problem here is that packets smaller than the size they should have
cause CPU at 100% and the inability to handle the printing commands of
the users.
The packet's types which cause this effect are 3, 5, 7, 13, 14 and 15.

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

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

A]
GET /../../../../../boot.ini HTTP/1.0
or
POST /..\../..\../..\boot.ini HTTP/1.0

B]
http://aluigi.org/poc/winipds.txt

  nc SERVER 5001 -v -v -w 3 < winipds.txt

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

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

No fix

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

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

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