rapid7/metasploit-framework

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modules/exploits/multi/php/php_unserialize_zval_cookie.rb

Summary

Maintainability
F
3 days
Test Coverage

Method initialize has 177 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'PHP 4 unserialize() ZVAL Reference Counter Overflow (Cookie)',
      'Description'    => %q{
          This module exploits an integer overflow vulnerability in the unserialize()
Severity: Major
Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb - About 7 hrs to fix

    File php_unserialize_zval_cookie.rb has 342 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    class MetasploitModule < Msf::Exploit::Remote
      Rank = AverageRanking
    
      include Msf::Exploit::Remote::Tcp
      include Msf::Exploit::Remote::HttpClient
    Severity: Minor
    Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb - About 4 hrs to fix

      Method brute_exploit has 102 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

        def brute_exploit(target_addrs)
      
          zvalref   = encode_semis('i:0;R:2;')
      
      #
      Severity: Major
      Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb - About 4 hrs to fix

        Method brute_exploit has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.
        Open

          def brute_exploit(target_addrs)
        
            zvalref   = encode_semis('i:0;R:2;')
        
        #
        Severity: Minor
        Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb - About 2 hrs 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 check has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.
        Open

          def check
            vprint_status("Checking for a vulnerable PHP version...")
        
            #
            # Pick the URI and Cookie name
        Severity: Minor
        Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb - About 2 hrs 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 check has 48 lines of code (exceeds 25 allowed). Consider refactoring.
        Open

          def check
            vprint_status("Checking for a vulnerable PHP version...")
        
            #
            # Pick the URI and Cookie name
        Severity: Minor
        Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb - About 1 hr to fix

          Similar blocks of code found in 8 locations. Consider refactoring.
          Open

                    [ 'Linux x86 Ariadne-CMS',
                      {
                        'DefaultCookie' => 'ARCookie',
                        'DefaultURI'    => '/ariadne/loader.php/',
                        'Signature'     => /Ariadne is free software/,
          Severity: Major
          Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb and 7 other locations - About 20 mins to fix
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 71..82
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 86..97
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 101..112
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 116..127
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 131..142
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 161..172
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 176..187

          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

          Similar blocks of code found in 8 locations. Consider refactoring.
          Open

                    [ 'Linux x86 PhpWebGallery',
                      {
                        'DefaultCookie' => 'pwg_remember',
                        'DefaultURI'    => '/phpwebgallery/index.php',
                        'Signature'     => /Powered\s+by.*phpwebgallery/msi,
          Severity: Major
          Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb and 7 other locations - About 20 mins to fix
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 71..82
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 86..97
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 101..112
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 116..127
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 146..157
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 161..172
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 176..187

          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

          Similar blocks of code found in 8 locations. Consider refactoring.
          Open

                    [ 'Linux x86 eGroupware',
                      {
                        'DefaultCookie' => 'eGW_remember',
                        'DefaultURI'    => '/egroupware/login.php',
                        'Signature'     => /www.egroupware.org/,
          Severity: Major
          Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb and 7 other locations - About 20 mins to fix
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 71..82
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 86..97
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 101..112
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 116..127
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 131..142
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 146..157
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 161..172

          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

          Similar blocks of code found in 8 locations. Consider refactoring.
          Open

                    [ 'Linux x86 punBB',
                      {
                        'DefaultCookie' => 'punbb_cookie',
                        'DefaultURI'    => '/index.php',
                        'Signature'     => /Powered\s+by.*PunBB/,
          Severity: Major
          Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb and 7 other locations - About 20 mins to fix
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 71..82
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 101..112
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 116..127
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 131..142
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 146..157
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 161..172
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 176..187

          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

          Similar blocks of code found in 8 locations. Consider refactoring.
          Open

                    [ 'Linux x86 WWWThreads',
                      {
                        'DefaultCookie' => 'forum_cookie',
                        'DefaultURI'    => '/index.php',
                        'Signature'     => /Powered\s+by.*WWWThreads/,
          Severity: Major
          Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb and 7 other locations - About 20 mins to fix
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 71..82
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 86..97
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 116..127
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 131..142
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 146..157
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 161..172
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 176..187

          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

          Similar blocks of code found in 8 locations. Consider refactoring.
          Open

                    [ 'Linux x86 Deadman Redirect',
                      {
                        'DefaultCookie' => 'authcookie',
                        'DefaultURI'    => '/dmr/dmr.php',
                        'Signature'     => /document\.f\.userdata\.focus/,
          Severity: Major
          Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb and 7 other locations - About 20 mins to fix
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 71..82
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 86..97
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 101..112
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 131..142
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 146..157
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 161..172
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 176..187

          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

          Similar blocks of code found in 8 locations. Consider refactoring.
          Open

                    [ 'Linux x86 ProMA',
                      {
                        'DefaultCookie' => 'proma',
                        'DefaultURI'    => '/proma/index.php',
                        'Signature'     => /Change Account Information/,
          Severity: Major
          Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb and 7 other locations - About 20 mins to fix
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 71..82
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 86..97
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 101..112
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 116..127
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 131..142
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 146..157
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 176..187

          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

          Similar blocks of code found in 8 locations. Consider refactoring.
          Open

                    [ 'Linux x86 phpBB2',
                      {
                        'DefaultCookie' => 'phpbb2mysql_data',
                        'DefaultURI'    => '/phpBB2/faq.php',
                        'Signature'     => /Powered\s+by.*phpBB/,
          Severity: Major
          Found in modules/exploits/multi/php/php_unserialize_zval_cookie.rb and 7 other locations - About 20 mins to fix
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 86..97
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 101..112
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 116..127
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 131..142
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 146..157
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 161..172
          modules/exploits/multi/php/php_unserialize_zval_cookie.rb on lines 176..187

          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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