CVE-2023-24825

HIGH

RIOT-OS <2023.04 - DoS

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 a crafted frame to the device to trigger a NULL pointer dereference leading to denial of service. This issue is fixed in version 2023.04. There are no known workarounds.

References (7)

[Vendor Advisory] https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L416

View Writeup ZIP pw:eip

[Vendor Advisory] https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb.c#L429

[Vendor Advisory] https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L729

[Mailing List] https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L761

[Vendor Advisory] https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/pktbuf_static/gnrc_pktbuf_static.c#L169

[Patch, Vendor Advisory] https://github.com/RIOT-OS/RIOT/commit/0c522075445a62ce3102e141573ecc2788521897

[Vendor Advisory] https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xqm8-xj74-fjw2

Scores

CVSS v3 7.5

EPSS 0.0037

EPSS Percentile 58.6%

Attack Vector NETWORK

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

Classification

CWE

CWE-252 CWE-476

Status published

Affected Products (1)

riot-os/riot < 2023.04

Timeline

Published May 30, 2023

Tracked Since Feb 18, 2026