Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid
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 |
|---|---|---|---|
| Mediawiki | Mediawiki | 1.31.0 (including) | 1.31.1 (excluding) |
| Mediawiki | Mediawiki | 1.27.5 (including) | 1.27.5 (including) |
| Mediawiki | Mediawiki | 1.29.3 (including) | 1.29.3 (including) |
| Mediawiki | Mediawiki | 1.30.1 (including) | 1.30.1 (including) |
| Red Hat OpenShift Container Platform 3.10 | RedHat | mediawiki-0:1.27.7-1.el7 | * |
| Red Hat OpenShift Container Platform 3.9 | RedHat | mediawiki123-0:1.23.17-1.el7 | * |
| Mediawiki | Ubuntu | bionic | * |
| Mediawiki | Ubuntu | esm-apps/bionic | * |
| Mediawiki | Ubuntu | trusty | * |
| Mediawiki | Ubuntu | upstream | * |
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: