Description
In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow unfiltered values to inject a new header in the client request or server response.
Remediation
References
https://access.redhat.com/errata/RHSA-2018:2371
https://access.redhat.com/errata/RHSA-2018:3768
https://bugs.eclipse.org/bugs/show_bug.cgi?id=536038
https://bugzilla.redhat.com/show_bug.cgi?id=1591072
https://github.com/eclipse/vert.x/commit/1bb6445226c39a95e7d07ce3caaf56828e8aab72
https://github.com/eclipse/vert.x/issues/2470
https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-021_vertx.txt