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rapid7/metasploit-framework

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modules/exploits/windows/fileformat/ms10_087_rtf_pfragments_bof.rb

Summary

Maintainability
B
5 hrs
Test Coverage

Method initialize has 90 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'MS10-087 Microsoft Word RTF pFragments Stack Buffer Overflow (File Format)',
      'Description'    => %q{
          This module exploits a stack-based buffer overflow in the handling of the
Severity: Major
Found in modules/exploits/windows/fileformat/ms10_087_rtf_pfragments_bof.rb - About 3 hrs to fix

    Method exploit has 35 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

      def exploit

    # Prepare a sample SEH frame and backward jmp for length calculations
    seh = generate_seh_record(0xdeadbeef)
    jmp_back = Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-0xffff").encode_string
    Severity: Minor
    Found in modules/exploits/windows/fileformat/ms10_087_rtf_pfragments_bof.rb - About 1 hr to fix

      Method exploit has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
      Open

        def exploit

    # Prepare a sample SEH frame and backward jmp for length calculations
    seh = generate_seh_record(0xdeadbeef)
    jmp_back = Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-0xffff").encode_string
      Severity: Minor
      Found in modules/exploits/windows/fileformat/ms10_087_rtf_pfragments_bof.rb - About 45 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"

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