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bootmanage-overflow.txt

bootmanage-overflow.txt
Posted Mar 17, 2008
Authored by Luigi Auriemma | Site aluigi.org

BootManage TFTPD versions 1.99 and below suffer from a buffer overflow vulnerability. To use the related exploit, run tftpx -f SERVER 2000 none.

tags | advisory, overflow
SHA-256 | 4440e7dd7df10701ae99ce21a53a10327b895cff4d2485732727d601682e5e58

bootmanage-overflow.txt

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

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@autistici.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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