Para is a multitenant backend server/framework for object persistence and retrieval. A vulnerability that exists in versions prior to 1.50.8 in FacebookAuthFilter.java results in a full request URL being logged during a failed request to a Facebook user profile. The log includes the users access token in plain text. Since WARN-level logs are often retained in production and accessible to operators or log aggregation systems, this poses a risk of token exposure. Version 1.50.8 fixes the issue.
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: