What is the severity of CVE-2023-24817?

CVE-2023-24817 has a severity rating that indicates a critical risk due to potential integer underflow and out of bounds access.

How do I fix CVE-2023-24817?

To mitigate CVE-2023-24817, upgrade to RIOT version 2023.04 or later.

What devices are affected by CVE-2023-24817?

CVE-2023-24817 affects all versions of RIOT-OS prior to 2023.04 that utilize the network stack for processing 6LoWPAN frames.

What type of exploit is possible with CVE-2023-24817?

CVE-2023-24817 can be exploited by sending a crafted frame to the device, leading to an integer underflow issue.

Is there a workaround for CVE-2023-24817 if I cannot upgrade?

Currently, there is no documented workaround for CVE-2023-24817, and upgrading is the recommended action.

Vulnerability/
CVE-2023-24817

high

7.5

CWE

191 787 119

30/5/2023

10/1/2025

CVE-2023-24817: RIOT-OS vulnerable to Out of Bounds write in routing with SRH

First published: Tue May 30 2023(Updated: )

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 resulting in an integer underflow and out of bounds access in the packet buffer. Triggering the access at the right time will corrupt other packets or the allocator metadata. Corrupting a pointer will lead to denial of service. This issue is fixed in version 2023.04. As a workaround, disable SRH in the network stack.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Riot-os Riot	<2023.04

Remedy

https://github.com/RIOT-OS/RIOT/commit/34dc1757f5621be48e226cfebb2f4c63505b5360

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-24817?
CVE-2023-24817 has a severity rating that indicates a critical risk due to potential integer underflow and out of bounds access.
How do I fix CVE-2023-24817?
To mitigate CVE-2023-24817, upgrade to RIOT version 2023.04 or later.
What devices are affected by CVE-2023-24817?
CVE-2023-24817 affects all versions of RIOT-OS prior to 2023.04 that utilize the network stack for processing 6LoWPAN frames.
What type of exploit is possible with CVE-2023-24817?
CVE-2023-24817 can be exploited by sending a crafted frame to the device, leading to an integer underflow issue.
Is there a workaround for CVE-2023-24817 if I cannot upgrade?
Currently, there is no documented workaround for CVE-2023-24817, and upgrading is the recommended action.

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