For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the ConcatServlet with a doubly encoded path to access protected resources within the WEB-INF directory. For example a request to /concat?/%2557EB-INF/web.xml can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Jetty | Eclipse | * | 9.4.41 (excluding) |
| Jetty | Eclipse | 10.0.0 (including) | 10.0.3 (excluding) |
| Jetty | Eclipse | 11.0.0 (including) | 11.0.3 (excluding) |
| Red Hat AMQ 7.9.0 | RedHat | jetty-server | * |
| Red Hat AMQ Streams 1.8.0 | RedHat | jetty-server | * |
| Red Hat Fuse 7.10 | RedHat | jetty | * |
| Red Hat Integration Camel Quarkus | RedHat | jetty | * |
| Red Hat OpenShift Container Platform 4.9 | RedHat | jenkins-0:2.289.3.1630554997-1.el8 | * |
| RHINT Camel-K 1.8.1 | RedHat | jetty | * |
| Jetty | Ubuntu | trusty | * |
| Jetty | Ubuntu | xenial | * |
| Jetty8 | Ubuntu | trusty | * |
| Jetty8 | Ubuntu | xenial | * |
| Jetty9 | Ubuntu | bionic | * |
| Jetty9 | Ubuntu | groovy | * |
| Jetty9 | Ubuntu | hirsute | * |
| Jetty9 | Ubuntu | impish | * |
| Jetty9 | Ubuntu | kinetic | * |
| Jetty9 | Ubuntu | lunar | * |
| Jetty9 | Ubuntu | mantic | * |
| Jetty9 | Ubuntu | trusty | * |
| Jetty9 | Ubuntu | xenial | * |