A low-privileged attacker in bluetooth range may be able to access the password of a higher-privilege user (Maintenance) by viewing the device’s event log. This vulnerability could allow the Operator to authenticate as the Maintenance user, thereby gaining unauthorized access to sensitive configuration settings and the ability to modify device parameters.
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
While logging all information may be helpful during development stages, it is important that logging levels be set appropriately before a product ships so that sensitive user data and system information are not accidentally exposed to potential attackers. Different log files may be produced and stored for: