CVE-2020-28349: Improper Input Validation

November 9, 2020 (updated November 19, 2020)

** DISPUTED ** An inaccurate frame deduplication process in ChirpStack Network Server allows a malicious gateway to perform uplink Denial of Service via malformed frequency attributes in CollectAndCallOnceCollect in internal/uplink/collect.go. NOTE: The vendor’s position is that there are no “guarantees that allowing untrusted LoRa gateways to the network should still result in a secure network.”

References

nvd.nist.gov/vuln/detail/CVE-2020-28349

Code Behaviors & Features

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