A sensitive data disclosure flaw was found in the Elasticsearch repository-azure (formerly elasticsearch-cloud-azure) plugin. When the repository-azure plugin is set to log at TRACE level Azure credentials can be inadvertently logged.
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 |
|---|---|---|---|
| Azure_repository | Elastic | 6.0.1 (including) | 6.2.4 (including) |
| Azure_repository | Elastic | 6.0.0-beta1 (including) | 6.0.0-beta1 (including) |
| Azure_repository | Elastic | 6.0.0-beta2 (including) | 6.0.0-beta2 (including) |
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: