Categories
CVE-2023-33973

RIOT-OS vulnerable to NULL pointer dereference during NHC encoding

Summary

RIOT-OS vulnerable to NULL pointer dereference during NHC encoding

Original description

The description as published by the source.

RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In versions 2023.01 and prior, an attacker can send a crafted frame which is forwarded by the device. During encoding of the packet a NULL pointer dereference occurs. This crashes the device leading to denial of service. A patch is available at pull request 19678. There are no known workarounds.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

References

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