An issue was discovered in GitLab CE/EE affecting all versions starting from 11.0 prior to 17.4.6, starting from 17.5 prior to 17.5.4, and starting from 17.6 prior to 17.6.2, where sensitive information passed in GraphQL mutations may have been retained in GraphQL logs.
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 |
|---|---|---|---|
| Gitlab | Ubuntu | esm-apps/xenial | * |
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: