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modules/exploits/linux/http/h2_webinterface_rce.rb

Summary

Maintainability
B
5 hrs
Test Coverage

Method initialize has 60 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'H2 Web Interface Create Alias RCE',
Severity: Major
Found in modules/exploits/linux/http/h2_webinterface_rce.rb - About 2 hrs to fix

    Method check has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
    Open

      def check
    @jsessionid = get_jsessionid

    res = send_request_cgi({
      'uri' => normalize_uri(target_uri.path, 'login.jsp'),
    Severity: Minor
    Found in modules/exploits/linux/http/h2_webinterface_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
    @jsessionid ||= get_jsessionid

    res = login
    return CheckCode::Unknown("#{peer} - Could not connect to web service - no response") if res.nil?
    Severity: Minor
    Found in modules/exploits/linux/http/h2_webinterface_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

    Avoid too many return statements within this method.
    Open

        return CheckCode::Vulnerable("#{peer} - H2 web interface found, and database connection successful") if res.body.include? 'Test successful'
    Severity: Major
    Found in modules/exploits/linux/http/h2_webinterface_rce.rb - About 30 mins to fix

      Avoid too many return statements within this method.
      Open

          return CheckCode::Unknown("#{peer} - Check URI Path, unexpected HTTP response code: #{res.code}") unless res.code == 200
      Severity: Major
      Found in modules/exploits/linux/http/h2_webinterface_rce.rb - About 30 mins to fix

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