There are no effective workarounds, beyond upgrading. Versions 1.15.2, 1.14.5, and 1.13.9 contain patches for this issue. However, for some deployments, especially external istiod topologies, this port is exposed over the public internet. For simple installations, Istiod is typically only reachable from within the cluster, limiting the blast radius. This endpoint is served over TLS port 15017, but does not require any authentication from the attacker. Prior to versions 1.15.2, 1.14.5, and 1.13.9, the Istio control plane, istiod, is vulnerable to a request processing error, allowing a malicious attacker that sends a specially crafted or oversized message which results in the control plane crashing when the Kubernetes validating or mutating webhook service is exposed publicly. Istio is an open platform-independent service mesh that provides traffic management, policy enforcement, and telemetry collection. If unable to upgrade, do not use parallel port redirection (`/parallel` command line switch) as a workaround. Please upgrade to 2.8.1 where this issue is patched. FreeRDP based server implementations are not affected. FreeRDP based clients on unix systems using `/parallel` command line switch might read uninitialized data and send it to the server the client is currently connected to. In conjunction with a hosted wireless access point and the known passphrase of FSSPORTS, an attacker could use this service to modify a device and steal intellectual property.įreeRDP is a free remote desktop protocol library and clients. This service listens on a TCP port on all interfaces and allows for process debugging, file system modification, and terminal access as the root user. Foresight GC3 Launch Monitor 1.3.15.68 ships with a Target Communication Framework (TCF) service enabled.
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