MQTT before 3.4.6 and 4.0.x before 4.0.5 allows specifically crafted MQTT packets to crash the application, making a DoS attack feasible with very little bandwidth.
The product does not properly control the allocation and maintenance of a limited resource.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| https://github.com/mcollina/mosca/issues/393 | third party advisory exploit |
| https://nodesecurity.io/advisories/75 | third party advisory |
| https://github.com/mqttjs/mqtt-packet/pull/8 | third party advisory exploit |