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rapid7/metasploit-framework

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modules/exploits/unix/smtp/morris_sendmail_debug.rb

Summary

Maintainability
B
4 hrs
Test Coverage

Method initialize has 36 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Morris Worm sendmail Debug Mode Shell Escape',
      'Description'    => %q{
        This module exploits sendmail's well-known historical debug mode to
Severity: Minor
Found in modules/exploits/unix/smtp/morris_sendmail_debug.rb - About 1 hr to fix

    Method exploit has 33 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      def exploit
    # We don't care who the user is, so randomize it
    from = rand_text_alphanumeric(8..42)

    # Strip mail headers with sed(1), pass to sh(1), and ensure a clean exit
    Severity: Minor
    Found in modules/exploits/unix/smtp/morris_sendmail_debug.rb - About 1 hr to fix

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

        def check
    checkcode = CheckCode::Safe

    connect
    res = sock.get_once
      Severity: Minor
      Found in modules/exploits/unix/smtp/morris_sendmail_debug.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"

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