rapid7/metasploit-framework

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modules/exploits/windows/http/manageengine_adselfservice_plus_cve_2022_28810.rb

Summary

Maintainability
D
1 day
Test Coverage

Method exploit has a Cognitive Complexity of 27 (exceeds 5 allowed). Consider refactoring.
Open

  def exploit
    csrf_tok = authenticate

    # Grab the list of configured policies
    policy_list_uri = normalize_uri(target_uri.path, '/ServletAPI/configuration/policyConfig/getPolicyConfigDetails')

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 initialize has 67 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'ManageEngine ADSelfService Plus Custom Script Execution',

    Method exploit has 63 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      def exploit
        csrf_tok = authenticate
    
        # Grab the list of configured policies
        policy_list_uri = normalize_uri(target_uri.path, '/ServletAPI/configuration/policyConfig/getPolicyConfigDetails')

      Method authenticate has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
      Open

        def authenticate
          # grab a CSRF token from the index
          res = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, '/authorization.do') })
          fail_with(Failure::Unreachable, 'The target did not respond') unless res
          fail_with(Failure::UnexpectedReply, 'Failed to grab a CSRF token') if res.get_cookies_parsed.empty? || res.get_cookies_parsed['HttpOnly, adscsrf'].empty?

      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 authenticate has 42 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        def authenticate
          # grab a CSRF token from the index
          res = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, '/authorization.do') })
          fail_with(Failure::Unreachable, 'The target did not respond') unless res
          fail_with(Failure::UnexpectedReply, 'Failed to grab a CSRF token') if res.get_cookies_parsed.empty? || res.get_cookies_parsed['HttpOnly, adscsrf'].empty?

        Method fix_adssp_json has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
        Open

          def fix_adssp_json(json_hash)
            json_hash.map do |key, value|
              if value.is_a? Hash
                [key, fix_adssp_json(value)]
              elsif value.is_a? Array

        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 has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
        Open

          def check
            res = send_request_cgi('method' => 'GET', 'uri' => normalize_uri(target_uri.path, '/selfservice/index.html'))
            unless res
              return CheckCode::Unknown('The target failed to respond to check.')
            end

        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

            res = send_request_cgi({
              'method' => 'POST',
              'uri' => normalize_uri(target_uri.path, '/ServletAPI/accounts/login'),
              'keep_cookies' => true,
              'vars_post' =>
        modules/exploits/windows/http/manageengine_adselfservice_plus_cve_2022_28810.rb on lines 150..161

        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 32.

        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

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

            res = send_request_cgi({
              'method' => 'POST',
              'uri' => normalize_uri(target_uri.path, '/j_security_check'),
              'keep_cookies' => true,
              'vars_post' =>
        modules/exploits/windows/http/manageengine_adselfservice_plus_cve_2022_28810.rb on lines 133..144

        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 32.

        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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