rapid7/metasploit-framework

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modules/exploits/windows/local/mov_ss.rb

Summary

Maintainability
A
3 hrs
Test Coverage

Method initialize has 57 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Microsoft Windows POP/MOV SS Local Privilege Elevation Vulnerability',
Severity: Major
Found in modules/exploits/windows/local/mov_ss.rb - About 2 hrs to fix

    Method setup has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
    Open

      def setup
        super
        @exploit_name = datastore['EXPLOIT_NAME'] || Rex::Text.rand_text_alpha(rand(6..13))
        @payload_name = datastore['PAYLOAD_NAME'] || Rex::Text.rand_text_alpha(rand(6..13))
        @exploit_name = "#{exploit_name}.exe" unless exploit_name.match(/\.exe$/i)
    Severity: Minor
    Found in modules/exploits/windows/local/mov_ss.rb - About 25 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

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

      def ensure_clean_destination(path)
        if file?(path)
          print_status("#{path} already exists on the target. Deleting...")
          begin
            file_rm(path)
    Severity: Minor
    Found in modules/exploits/windows/local/mov_ss.rb and 1 other location - About 30 mins to fix
    modules/post/windows/escalate/unmarshal_cmd_exec.rb on lines 105..114

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 33.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 3 locations. Consider refactoring.
    Open

      def validate_active_host
        print_status("Attempting to PrivEsc on #{sysinfo['Computer']} via session ID: #{datastore['SESSION']}")
      rescue Rex::Post::Meterpreter::RequestError => e
        elog(e)
        raise Msf::Exploit::Failed, 'Could not connect to session'
    Severity: Minor
    Found in modules/exploits/windows/local/mov_ss.rb and 2 other locations - About 25 mins to fix
    modules/exploits/windows/local/cve_2020_0668_service_tracing.rb on lines 271..276
    modules/post/windows/escalate/unmarshal_cmd_exec.rb on lines 82..87

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 29.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

      def validate_target
        if sysinfo['Architecture'] != ARCH_X64
          fail_with(Failure::NoTarget, 'Exploit code is 64-bit only')
        end
        version = get_version_info
    Severity: Minor
    Found in modules/exploits/windows/local/mov_ss.rb and 1 other location - About 20 mins to fix
    modules/post/windows/escalate/unmarshal_cmd_exec.rb on lines 95..101

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 28.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

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