Cloud Foundry UAA Release, versions prior to v74.10.0, when set to logging level DEBUG, logs client_secret credentials when sent as a query parameter. A remote authenticated malicious user could gain access to user credentials via the uaa.log file if authentication is provided via query parameters.
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Cf-deployment | Cloudfoundry | * | 12.12.0 (excluding) |
| User_account_and_authentication | Cloudfoundry | * | 74.10.0 (excluding) |
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: