Advisories for Maven/Org.eclipse.vorto/Hono package

The Eclipse Hono AMQP and MQTT protocol adapters do not check whether an authenticated gateway device is authorized to receive command & control messages when it has subscribed only to commands for a specific device. The missing check involves verifying that the command target device is configured giving permission for the gateway device to act on its behalf. This means an authenticated device of a certain tenant, notably also a …

In Eclipse Hono the AMQP protocol adapter does not verify the size of AMQP messages received from devices. In particular, a device may send messages that are bigger than the max-message-size that the protocol adapter has indicated during link establishment. While the AMQP protocol explicitly disallows a peer to send such messages, a hand crafted AMQP client could exploit this behavior in order to send a message of unlimited size …