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modules/exploits/linux/http/terramaster_unauth_rce_cve_2020_35665.rb

Summary

Maintainability
C
7 hrs
Test Coverage

Method initialize has 82 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'TerraMaster TOS 4.2.06 or lower - Unauthenticated Remote Code Execution',
Severity: Major
Found in modules/exploits/linux/http/terramaster_unauth_rce_cve_2020_35665.rb - About 3 hrs to fix

    Method get_terramaster_info has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
    Open

      def get_terramaster_info
    # get Terramaster CPU architecture (X64 or ARM64) and TOS version
    @terramaster = {}
    res = send_request_cgi({
      'method' => 'GET',
    Severity: Minor
    Found in modules/exploits/linux/http/terramaster_unauth_rce_cve_2020_35665.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

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

      def get_terramaster_info
    # get Terramaster CPU architecture (X64 or ARM64) and TOS version
    @terramaster = {}
    res = send_request_cgi({
      'method' => 'GET',
    Severity: Major
    Found in modules/exploits/linux/http/terramaster_unauth_rce_cve_2020_35665.rb and 2 other locations - About 1 hr to fix
    modules/exploits/linux/http/terramaster_unauth_rce_cve_2021_45837.rb on lines 203..228
    modules/exploits/linux/http/terramaster_unauth_rce_cve_2022_24990.rb on lines 144..169

    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 73.

    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 4 locations. Consider refactoring.
    Open

        register_options([
      OptString.new('TARGETURI', [true, 'Path to Terramaster Web console', '/']),
      OptString.new('WEBSHELL', [false, 'Web shell name with extension .php. Name will be randomly generated if left unset.', nil]),
      OptEnum.new('COMMAND',
                  [true, 'Use PHP command function', 'passthru', %w[passthru shell_exec system exec]], conditions: %w[TARGET != 0])
    Severity: Major
    Found in modules/exploits/linux/http/terramaster_unauth_rce_cve_2020_35665.rb and 3 other locations - About 35 mins to fix
    modules/exploits/linux/http/artica_proxy_unauth_rce_cve_2024_2054.rb on lines 88..93
    modules/exploits/multi/http/gambio_unauth_rce_cve_2024_23759.rb on lines 83..88
    modules/exploits/multi/http/wp_plugin_fma_shortcode_unauth_rce.rb on lines 118..126

    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 34.

    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 execute_command(cmd, _opts = {})
    payload = Base64.strict_encode64(cmd)
    php_cmd_function = datastore['COMMAND']
    send_request_cgi({
      'method' => 'POST',
    Severity: Minor
    Found in modules/exploits/linux/http/terramaster_unauth_rce_cve_2020_35665.rb and 1 other location - About 30 mins to fix
    modules/exploits/linux/http/artica_proxy_unauth_rce_cve_2024_2054.rb on lines 108..119

    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 32.

    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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