CVE-2023-3725 Potential buffer overflow vulnerability in the Zephyr CANbus subsystem

High 7.6 Published Updated

A buffer overflow in the Zephyr RTOS CAN bus subsystem allows attackers to execute arbitrary code or cause denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-3725?

CVE-2023-3725 is a high-severity memory corruption vulnerability in Zephyrproject Zephyr, published on 6 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem

Weakness: CWE-787, CWE-121, CWE-120

Which versions are affected by CVE-2023-3725?

It affects 1 product.

Products include Zephyrproject Zephyr.

How do I fix CVE-2023-3725?

No fix has been published for CVE-2023-3725 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-3725 being exploited?

There is no known exploitation of CVE-2023-3725 in the wild and no public exploit code.

All Zephyrproject Zephyr vulnerabilities

Sources

Also known as GHSA-2g3m-p6c7-8rr3.

Is CVE-2023-3725 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free