TI-2023-10326 Aliases CVE-2023-24826

Usage of Uninitialized Timer during forwarding of Fragments with SFR

HIGH 66CWE-824Published 2023-05-30 · Updated 2025-01-10

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-824 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00832 57th percentileScored 2026-11-07

Fix Fixed RIOT (RIOT-OS): 2023.04

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
RIOT-OS	RIOT	before 2023.04	2023.04	Patch available	CNA

RIOT VendorRIOT-OS Affected before 2023.04 Fixed in 2023.04 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:riot-os:riot::::::::	before 2023.04	Vulnerable	RIOT-OS

cpe:2.3:o:riot-os:riot:*:*:*:*:*:*:*:* Versions before 2023.04 Vulnerable ·RIOT-OS

Remediation

Fix · CNA RIOT (RIOT-OS) Fixed in 2023.04

Timeline

2026-10-02 Threatist record created from CVE-2023-24826

References

Patch 1

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

Advisory 1

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

Other 2

TI-2024-21112 Buffer overflows in RIOT CVSS 3.1CRITICAL 9.8
TI-2023-16843 RIOT-OS vulnerable to Out of Bounds Write in _rbuf_add CVSS 3.1CRITICAL 9.8
TI-2023-10319 RIOT-OS vulnerable to Buffer Overflow during IPHC receive CVSS 3.1CRITICAL 9.8
TI-2026-22079 RIOT has an Out-of-Bounds Write in nanoCoAP Handler CVSS 3.1CRITICAL 9.8
TI-2023-16842 RIOT-OS vulnerable to Race Condition in SFR Timeout CVSS 3.1HIGH 7.5
TI-2023-16841 RIOT-OS vulnerable to NULL pointer dereference during NHC encoding CVSS 3.1HIGH 7.5

See all 39 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences