rapid7/metasploit-framework

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modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb

Summary

Maintainability
D
2 days
Test Coverage

File openmediavault_auth_cron_rce.rb has 348 lines of code (exceeds 250 allowed). Consider refactoring.
Open

class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking
  prepend Msf::Exploit::Remote::AutoCheck
  include Msf::Exploit::Remote::HttpClient
  include Msf::Exploit::CmdStager
Severity: Minor
Found in modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb - About 4 hrs to fix

    Method execute_command has 108 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      def execute_command(cmd, _opts = {})
        # OpenMediaFault current release - v6.0.15-1 uses an array definition ['*']
        # OpenMediaVault v3.0.16 - v6.0.14-1 uses a string definition '*'
        # OpenMediaVault v1.0.22 - v3.0.15 uses a string definition '*' and uuid setting 'undefined'
        # OpenMediaVault v0.2.6.4 - v1.0.31 uses a string definition '*' and uuid setting 'undefined' and no execution parameter
    Severity: Major
    Found in modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb - About 4 hrs to fix

      Method initialize has 65 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        def initialize(info = {})
          super(
            update_info(
              info,
              'Name' => 'OpenMediaVault rpc.php Authenticated Cron Remote Code Execution',
      Severity: Major
      Found in modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb - About 2 hrs to fix

        Method login has 52 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

          def login(user, pass)
            print_status("#{peer} - Authenticating with OpenMediaVault using credentials #{user}:#{pass}")
            # try the login options for all OpenMediaVault versions
            res = send_request_cgi({
              'uri' => normalize_uri(target_uri.path, 'rpc.php'),
        Severity: Major
        Found in modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb - About 2 hrs to fix

          Method execute_command has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.
          Open

            def execute_command(cmd, _opts = {})
              # OpenMediaFault current release - v6.0.15-1 uses an array definition ['*']
              # OpenMediaVault v3.0.16 - v6.0.14-1 uses a string definition '*'
              # OpenMediaVault v1.0.22 - v3.0.15 uses a string definition '*' and uuid setting 'undefined'
              # OpenMediaVault v0.2.6.4 - v1.0.31 uses a string definition '*' and uuid setting 'undefined' and no execution parameter
          Severity: Minor
          Found in modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb - About 1 hr to fix

          Cognitive Complexity

          Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

          A method's cognitive complexity is based on a few simple rules:

          • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
          • Code is considered more complex for each "break in the linear flow of the code"
          • Code is considered more complex when "flow breaking structures are nested"

          Further reading

          Method check_version has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
          Open

            def check_version(res)
              # parse json response and get the version
              res_json = res.get_json_document
              unless res_json.blank?
                # OpenMediaVault v0.3 - v0.5 and up to v4 have different json formats where index 1 has the version information
          Severity: Minor
          Found in modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb - About 1 hr to fix

          Cognitive Complexity

          Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

          A method's cognitive complexity is based on a few simple rules:

          • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
          • Code is considered more complex for each "break in the linear flow of the code"
          • Code is considered more complex when "flow breaking structures are nested"

          Further reading

          Method exploit has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
          Open

            def exploit
              unless @logged_in
                if login(user, pass)
                  res = check_target
                  fail_with(Failure::Unknown, 'Can not identify target as OpenMediaVault.') if res.nil?
          Severity: Minor
          Found in modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb - About 55 mins to fix

          Cognitive Complexity

          Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

          A method's cognitive complexity is based on a few simple rules:

          • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
          • Code is considered more complex for each "break in the linear flow of the code"
          • Code is considered more complex when "flow breaking structures are nested"

          Further reading

          Similar blocks of code found in 2 locations. Consider refactoring.
          Open

              register_options(
                [
                  OptString.new('TARGETURI', [true, 'The URI path of the OpenMediaVault web application', '/']),
                  OptString.new('USERNAME', [true, 'The OpenMediaVault username to authenticate with', 'admin']),
                  OptString.new('PASSWORD', [true, 'The OpenMediaVault password to authenticate with', 'openmediavault']),
          Severity: Minor
          Found in modules/exploits/unix/webapp/openmediavault_auth_cron_rce.rb and 1 other location - About 25 mins to fix
          modules/exploits/windows/http/manageengine_adselfservice_plus_cve_2022_28810.rb on lines 80..85

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 30.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

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