rapid7/metasploit-framework

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modules/exploits/multi/http/rocket_servergraph_file_requestor_rce.rb

Summary

Maintainability
C
7 hrs
Test Coverage

Method initialize has 70 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(update_info(info,
      'Name'        => 'Rocket Servergraph Admin Center fileRequestor Remote Code Execution',
      'Description' => %q{
        This module abuses several directory traversal flaws in Rocket Servergraph Admin
Severity: Major
Found in modules/exploits/multi/http/rocket_servergraph_file_requestor_rce.rb - About 2 hrs to fix

    File rocket_servergraph_file_requestor_rce.rb has 275 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    class MetasploitModule < Msf::Exploit::Remote
      Rank = GreatRanking
    
      include Msf::Exploit::Remote::HttpClient
      include Msf::Exploit::FileDropper
    Severity: Minor
    Found in modules/exploits/multi/http/rocket_servergraph_file_requestor_rce.rb - About 2 hrs to fix

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

        def exploit
          os = get_os
      
          if os == 'win' && target.name =~ /Linux/
            fail_with(Failure::BadConfig, "#{peer} - Windows system detected, but Linux target selected")
      Severity: Minor
      Found in modules/exploits/multi/http/rocket_servergraph_file_requestor_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

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

        def win_temp_dir
          dir = "\\#{win_dir}\\Temp\\"
      
          if datastore['TEMP_DIR'] && !datastore['TEMP_DIR'].empty?
            dir = datastore['TEMP_DIR']
      Severity: Minor
      Found in modules/exploits/multi/http/rocket_servergraph_file_requestor_rce.rb - About 25 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

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

        def linux_temp_dir
          dir = "/tmp/"
      
          if datastore['TEMP_DIR'] && !datastore['TEMP_DIR'].empty?
            dir = datastore['TEMP_DIR']
      Severity: Minor
      Found in modules/exploits/multi/http/rocket_servergraph_file_requestor_rce.rb - About 25 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

                [ 'Linux (Native Payload)',
                  {
                    'Platform' => 'linux',
                    'Arch' => ARCH_X86
                  }
      modules/exploits/multi/fileformat/swagger_param_inject.rb on lines 50..53

      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 29.

      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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