CVE-2023-24826 Information

Description

RIOT-OS an operating system for Internet of Things (IoT) devices contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04 an attacker can send crafted frames to the device to trigger the usage of an uninitialized object leading to denial of service. This issue is fixed in version 2023.04. As a workaround disable fragment forwarding or SFR.

Reference

https://github.com/RIOT-OS/RIOT/commit/287f030af20e829469cdf740606148018a5a220d https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L420 https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xfj4-9g7w-f4gh https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L402