CVE-2023-24826

MEDIUM

RIOT-OS < 2023.04 - Denial of Service via Uninitialized Object in 6LoWPAN Frame Processing

Title source: llm

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.

References (4)

Core 4

Core References

Vendor Advisory x_refsource_confirm

https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xfj4-9g7w-f4gh

Patch x_refsource_misc

https://github.com/RIOT-OS/RIOT/commit/287f030af20e829469cdf740606148018a5a220d

View Patch ZIP pw:eip

Product x_refsource_misc

https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L402

View Writeup ZIP pw:eip

Product x_refsource_misc

https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/network_layer/sixlowpan/frag/sfr/gnrc_sixlowpan_frag_sfr.c#L420

Scores

CVSS v3 5.9

EPSS 0.0083

EPSS Percentile 52.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-824

Status published

Products (1)

riot-os/riot < 2023.04

Published May 30, 2023

Tracked Since Feb 18, 2026