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Message-Id: <20080317191332.b2350a4c.aluigi@autistici.org>
Date: Mon, 17 Mar 2008 19:13:32 +0100
From: Luigi Auriemma <aluigi@...istici.org>
To: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	packet@...ketstormsecurity.org, cert@...t.org, news@...uriteam.com,
	vuln@...unia.com
Subject: Buffer-overflow in BootManage TFTPD 1.99


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

                             Luigi Auriemma

Application:  BootManage TFTPD
              http://www.bootix.com/products/administrator_en.html
Versions:     <= 1.99 (BootManage Administrator <= 7.1)
Platforms:    Windows
Bug:          buffer-overflow
Exploitation: remote
Date:         16 Mar 2008
Author:       Luigi Auriemma
              e-mail: aluigi@...istici.org
              web:    aluigi.org


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


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


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

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


BootManage TFTPD is a TFTP server for Windows implemented in BootManage
Administrator.
Although exist TFTP servers for other platforms on the bootix website,
only this 32 bit version for Windows is the most updated.


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

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


The TFTP server is affected by a buffer-overflow vulnerability
exploitable with a filename longer than 32 bytes when used for building
the log string: sprintf(buffer, "%s: %s", filename, log_entry)


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

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


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

  tftpx -f SERVER 2000 none


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

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


No fix


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


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

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