Module: PWN::SAST::PHPTypeJuggling

Defined in:
lib/pwn/sast/php_type_juggling.rb

Overview

SAST Module used to identify loose comparisons (i.e. == instead of ===) within PHP source code.

Class Method Summary collapse

Class Method Details

.authors ⇒ Object

Author(s)

0day Inc. support@0dayinc.com



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# File 'lib/pwn/sast/php_type_juggling.rb', line 62

public_class_method def self.authors
  "AUTHOR(S):
    0day Inc. <support@0dayinc.com>
  "
end

.help ⇒ Object

Display Usage for this Module



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# File 'lib/pwn/sast/php_type_juggling.rb', line 70

public_class_method def self.help
  puts "USAGE:
    sast_arr = #{self}.scan(
      :dir_path => 'optional path to dir defaults to .',
      :git_repo_root_uri => 'optional http uri of git repo scanned'
    )

    #{self}.authors
  "
end

.scan(opts = {}) ⇒ Object

Supported Method Parameters

PWN::SAST::PHPTypeJuggling.scan( dir_path: 'optional path to dir defaults to .' git_repo_root_uri: 'optional http uri of git repo scanned' )



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# File 'lib/pwn/sast/php_type_juggling.rb', line 17

public_class_method def self.scan(opts = {})
  dir_path = opts[:dir_path]
  git_repo_root_uri = opts[:git_repo_root_uri].to_s.scrub

  test_case_filter = "
    grep -Fn \
    -e '==' \
    -e '!=' {PWN_SAST_SRC_TARGET} 2> /dev/null | \
    grep -v \
      -e '===' \
      -e '!=='
  "

  include_extensions = %w[.phar .pht .phtm .phtml .php .php2 .php3 .php4 .php5 .php7 .php8 .phps .phpt .pgif .inc]

  PWN::SAST::TestCaseEngine.execute(
    test_case_filter: test_case_filter,
    security_references: security_references,
    dir_path: dir_path,
    include_extensions: include_extensions,
    git_repo_root_uri: git_repo_root_uri
  )
rescue StandardError => e
  raise e
end

.security_references ⇒ Object

Used primarily to map NIST 800-53 Revision 4 Security Controls https://web.nvd.nist.gov/view/800-53/Rev4/impact?impactName=HIGH to PWN Exploit & Static Code Anti-Pattern Matching Modules to Determine the level of Testing Coverage w/ PWN.



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# File 'lib/pwn/sast/php_type_juggling.rb', line 48

public_class_method def self.security_references
  {
    sast_module: self,
    section: 'DEVELOPER SECURITY AND PRIVACY ARCHITECTURE AND DESIGN',
    nist_800_53_uri: 'https://csrc.nist.gov/projects/cprt/catalog#/cprt/framework/version/SP_800_53_5_1_1/home?element=SA-17',
    cwe_id: '661',
    cwe_uri: 'https://cwe.mitre.org/data/definitions/661.html'
  }
rescue StandardError => e
  raise e
end