rapid7/metasploit-framework

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modules/exploits/windows/local/comahawk.rb

Summary

Maintainability
B
6 hrs
Test Coverage

Method initialize has 56 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Microsoft UPnP Local Privilege Elevation Vulnerability',
Severity: Major
Found in modules/exploits/windows/local/comahawk.rb - About 2 hrs to fix

    Method exploit has 32 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      def exploit
        exploit_name = datastore['EXPLOIT_NAME'] || Rex::Text.rand_text_alpha(6..14)
        payload_name = datastore['PAYLOAD_NAME'] || Rex::Text.rand_text_alpha(6..14)
        exploit_name = "#{exploit_name}.exe" unless exploit_name.end_with?('.exe')
        payload_name = "#{payload_name}.exe" unless payload_name.end_with?('.exe')
    Severity: Minor
    Found in modules/exploits/windows/local/comahawk.rb - About 1 hr to fix

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

        def exploit
          exploit_name = datastore['EXPLOIT_NAME'] || Rex::Text.rand_text_alpha(6..14)
          payload_name = datastore['PAYLOAD_NAME'] || Rex::Text.rand_text_alpha(6..14)
          exploit_name = "#{exploit_name}.exe" unless exploit_name.end_with?('.exe')
          payload_name = "#{payload_name}.exe" unless payload_name.end_with?('.exe')
      Severity: Minor
      Found in modules/exploits/windows/local/comahawk.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

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

          register_options([
            OptString.new('EXPLOIT_NAME',
                          [false, 'The filename to use for the exploit binary (%RAND% by default).', nil]),
            OptString.new('PAYLOAD_NAME',
                          [false, 'The filename for the payload to be used on the target host (%RAND%.exe by default).', nil]),
      Severity: Minor
      Found in modules/exploits/windows/local/comahawk.rb and 1 other location - About 40 mins to fix
      modules/exploits/windows/local/cve_2020_1313_system_orchestrator.rb on lines 63..74

      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 37.

      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

      Identical blocks of code found in 4 locations. Consider refactoring.
      Open

        def ensure_clean_destination(path)
          return unless file?(path)
      
          print_status("#{path} already exists on the target. Deleting...")
          begin
      Severity: Major
      Found in modules/exploits/windows/local/comahawk.rb and 3 other locations - About 30 mins to fix
      modules/exploits/windows/local/cve_2020_0668_service_tracing.rb on lines 314..324
      modules/exploits/windows/local/cve_2020_1048_printerdemon.rb on lines 184..194
      modules/exploits/windows/local/cve_2020_1313_system_orchestrator.rb on lines 162..172

      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 33.

      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

      Identical blocks of code found in 5 locations. Consider refactoring.
      Open

        def validate_active_host
          print_status("Attempting to PrivEsc on #{sysinfo['Computer']} via session ID: #{datastore['SESSION']}")
        rescue Rex::Post::Meterpreter::RequestError => e
          elog('Could not connect to session', error: e)
          raise Msf::Exploit::Failed, 'Could not connect to session'
      Severity: Major
      Found in modules/exploits/windows/local/comahawk.rb and 4 other locations - About 30 mins to fix
      modules/exploits/windows/local/cve_2020_1048_printerdemon.rb on lines 160..165
      modules/exploits/windows/local/cve_2020_1313_system_orchestrator.rb on lines 139..144
      modules/exploits/windows/local/cve_2020_1337_printerdemon.rb on lines 162..167
      modules/exploits/windows/local/tokenmagic.rb on lines 162..167

      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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