Language: Java
Label: safe
CWE: CWE-770 \u2014 Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

Code:
    public boolean checkUserPassword(String userId, String password) {
        if (StringUtils.isBlank(userId)) {
            MSException.throwException(Translator.get("user_name_is_null"));
        }
        if (StringUtils.isBlank(password)) {
            MSException.throwException(Translator.get("password_is_null"));
        }
        if (userId.length() > 64) {
            MSException.throwException(Translator.get("user_id_length_too_long"));
        }
        if (password.length() > 30) {
            MSException.throwException(Translator.get("password_length_too_long"));
        }
        UserExample example = new UserExample();
        example.createCriteria().andIdEqualTo(userId).andPasswordEqualTo(CodingUtil.md5(password));
        return userMapper.countByExample(example) > 0;
    }