In FlightGear before version 2017.3.1, Main/logger.cxx in the FGLogger subsystem allows one to overwrite any file via a resource that affects the contents of the global Property Tree.Referenceshttps://sourceforge.net/p/flightgear/flightgear/ci/2a5e3d06b2c0d9f831063afe7e7260bca456d679/https://sourceforge.net/p/flightgear/flightgear/ci/c7a2aef59979af3e9ff22daabb37bdaadb91cd75/