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rapid7/metasploit-framework

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modules/exploits/linux/local/vmwgfx_fd_priv_esc.rb

Summary

Maintainability
B
6 hrs
Test Coverage

Method initialize has 46 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'vmwgfx Driver File Descriptor Handling Priv Esc',
Severity: Minor
Found in modules/exploits/linux/local/vmwgfx_fd_priv_esc.rb - About 1 hr to fix

    Method exploit has 40 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      def exploit
    if !datastore['ForceExploit'] && is_root?
      fail_with(Failure::BadConfig, 'Session already has root privileges. Set ForceExploit to override.')
    end
    Severity: Minor
    Found in modules/exploits/linux/local/vmwgfx_fd_priv_esc.rb - About 1 hr to fix

      Method check has 28 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        def check
    # Check the kernel version to see if its in a vulnerable range
    release = kernel_release
    unless Rex::Version.new(release) > Rex::Version.new('4.14-rc1') &&
           Rex::Version.new(release) < Rex::Version.new('5.17-rc1')
      Severity: Minor
      Found in modules/exploits/linux/local/vmwgfx_fd_priv_esc.rb - About 1 hr to fix

        Method check has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
        Open

          def check
    # Check the kernel version to see if its in a vulnerable range
    release = kernel_release
    unless Rex::Version.new(release) > Rex::Version.new('4.14-rc1') &&
           Rex::Version.new(release) < Rex::Version.new('5.17-rc1')
        Severity: Minor
        Found in modules/exploits/linux/local/vmwgfx_fd_priv_esc.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
    if !datastore['ForceExploit'] && is_root?
      fail_with(Failure::BadConfig, 'Session already has root privileges. Set ForceExploit to override.')
    end
        Severity: Minor
        Found in modules/exploits/linux/local/vmwgfx_fd_priv_esc.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

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