CVE-2023-41093 Loss of confidentiality due to potential race condition in Bluetooth controller Connection_Handle reuse

Low 3.1 Published Updated

An attacker with precise timing can intercept packets intended for disconnected devices due to a race condition in the Bluetooth controller.

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-2023-41093?

CVE-2023-41093 is a low-severity use after free vulnerability in Silicon Labs Simplicity SDK, published on 12 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use After Free vulnerability in Silicon Labs Bluetooth SDK on 32 bit, ARM may allow an attacker with precise timing capabilities to intercept a small number of packets intended for a recipient that has left the network.This issue affects Silabs Bluetooth SDK: through 8.0.0.

Weakness: CWE-416

Which versions are affected by CVE-2023-41093?

It affects 1 product.

Products include Silabs Bluetooth Low Energy Software Development Kit.

How do I fix CVE-2023-41093?

No fix has been published for CVE-2023-41093 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2023-41093 being exploited?

There is no known exploitation of CVE-2023-41093 in the wild and no public exploit code.

Sources

Also known as GHSA-jrq9-x3g5-75ph.

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