Leakage of sensitive data in exception message

• Rule ID: ruby_lang_exception
• Languages: ruby
• Source: exception.yml

Description

Leaking sensitive data to an exception is a common cause of data leaks and can lead to data breaches. This rule looks for instances of sensitive data sent to exceptions.

Remediations

❌ Avoid using sensitive data in logger messages:

raise CustomException.new(user.email)

✅ If you need to identify a user, ensure to use their unique identifier instead of their personal identifiable information:

raise CustomException.new(user.uuid)

Associated CWE

• CWE-210: Self-generated Error Message Containing Sensitive Information

Configuration

To skip this rule during a scan, use the following flag

bearer scan /path/to/your-project/ --skip-rule=ruby_lang_exception

To run only this rule during a scan, use the following flag

bearer scan /path/to/your-project/ --only-rule=ruby_lang_exception