Module: PWN::SAST::Base64

Defined in:
lib/pwn/sast/base64.rb

Overview

SAST Module used to identify Base64 encoded strings that may have sensitive artifacts when decoded.

Class Method Summary collapse

Class Method Details

.authors ⇒ Object

Author(s)

0day Inc. <[email protected]>



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# File 'lib/pwn/sast/base64.rb', line 54

public_class_method def self.authors
  "AUTHOR(S):
    0day Inc. <[email protected]>
  "
end

.help ⇒ Object

Display Usage for this Module



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# File 'lib/pwn/sast/base64.rb', line 62

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::Base64.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/base64.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 -Ein \
    -e 'BASE64' \
    -e '^[A-Za-z0-9+/]{12}([A-Za-z0-9+/]{4})*$|^[A-Za-z0-9+/]{8}([A-Za-z0-9+/]{4})*[A-Za-z0-9+/]{2}==$|^[A-Za-z0-9+/]{8}([A-Za-z0-9+/]{4})*[A-Za-z0-9+/]{3}=$' \
    {PWN_SAST_SRC_TARGET} 2> /dev/null
  "

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

.security_references ⇒ Object

Used to dictate Security Control Requirements for a Given SAST module.



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# File 'lib/pwn/sast/base64.rb', line 40

public_class_method def self.security_references
  {
    sast_module: self,
    section: 'PROTECTION OF INFORMATION AT REST',
    nist_800_53_uri: 'https://csrc.nist.gov/projects/cprt/catalog#/cprt/framework/version/SP_800_53_5_1_1/home?element=SC-28',
    cwe_id: '95',
    cwe_uri: 'https://cwe.mitre.org/data/definitions/95.html'
  }
rescue StandardError => e
  raise e
end