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rapid7/metasploit-framework

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modules/exploits/linux/http/rancher_server.rb

Summary

Maintainability
C
1 day
Test Coverage

Method check has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.
Open

  def check
    res = send_request_cgi(
      'method'  => 'GET',
      'uri'     => normalize_uri(target_uri.path),
      'ctype'   => 'application/json',
Severity: Minor
Found in modules/exploits/linux/http/rancher_server.rb - About 2 hrs 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 has 52 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def check
    res = send_request_cgi(
      'method'  => 'GET',
      'uri'     => normalize_uri(target_uri.path),
      'ctype'   => 'application/json',
Severity: Major
Found in modules/exploits/linux/http/rancher_server.rb - About 2 hrs to fix

    Method initialize has 44 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      def initialize(info = {})
    super(update_info(info,
      'Name'             => 'Rancher Server - Docker Exploit',
      'Description'      => %q(
        Utilizing Rancher Server, an attacker can create a docker container
    Severity: Minor
    Found in modules/exploits/linux/http/rancher_server.rb - About 1 hr to fix

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

        def exploit
    unless check == Exploit::CheckCode::Vulnerable
      fail_with(Failure::Unknown, 'Failed to connect to the target')
    end
      Severity: Minor
      Found in modules/exploits/linux/http/rancher_server.rb - About 1 hr to fix

        Method exploit has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.
        Open

          def exploit
    unless check == Exploit::CheckCode::Vulnerable
      fail_with(Failure::Unknown, 'Failed to connect to the target')
    end
        Severity: Minor
        Found in modules/exploits/linux/http/rancher_server.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

        Avoid too many return statements within this method.
        Open

                return Exploit::CheckCode::Detected
        Severity: Major
        Found in modules/exploits/linux/http/rancher_server.rb - About 30 mins to fix

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