GHSA-2JX3-65F3-XR8R spomky-labs/otphp: Mass-assignment in Factory::loadFromProvisioningUri lets a hostile provisioning URI corrupt OTP state or leak an uncaught TypeError

Summary OTPHP\Factory::loadFromProvisioningUri parses an attacker-supplied otpauth:// URI and forwards every query key to OTP::setParameter$key, $value. setParameter resolves the name with propertyexists$this, $parameter and performs a dynamic write $this-$parameter = $value src/OTP.php:196-197...

Unbounded digits parameter in a provisioning URI triggers an uncaught DivisionByZeroError in OTP generation

Summary The digits parameter parsed from a provisioning URI is validated only with a lower bound $value 0 and has no upper bound src/OTP.php:353-357. OTP generation computes $code % 10 $this-getDigits src/OTP.php:283. When digits is large enough that 10 digits overflows PHP's integer range and th...