Description
In Eclipse Vert.x 3.4.x up to 3.9.4, 4.0.0.milestone1, 4.0.0.milestone2, 4.0.0.milestone3, 4.0.0.milestone4, 4.0.0.milestone5, 4.0.0.Beta1, 4.0.0.Beta2, and 4.0.0.Beta3, StaticHandler doesn't correctly processes back slashes on Windows Operating systems, allowing, escape the webroot folder to the current working directory.
Remediation
References
https://bugs.eclipse.org/bugs/show_bug.cgi?id=567416
https://lists.apache.org/thread.html/r591f6932560c8c46cee87415afed92924a982189fea7f7c9096f8e33%40%3Ccommits.pulsar.apache.org%3E
https://lists.apache.org/thread.html/r8383b5e7344a8b872e430ad72241b84b83e9701d275c602cfe34a941%40%3Ccommits.servicecomb.apache.org%3E
https://lists.apache.org/thread.html/r8d863b148efe778ce5f8f961d0cafeda399e681d3f0656233b4c5511%40%3Ccommits.pulsar.apache.org%3E
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
https://lists.apache.org/thread.html/rfd0ebf8387cfd0b959d1e218797e709793cce51a5ea2f84d0976f47d%40%3Ccommits.pulsar.apache.org%3E