CVE-2023-6387 Incorrect buffer parsing in Bluetooth LE sample code may lead to buffer overflow

High 7.5 Published Updated

A buffer overflow in the Bluetooth LE HCI CPC sample application allows attackers to cause denial of service or execute arbitrary code.

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-2023-6387?

CVE-2023-6387 is a high-severity memory corruption vulnerability in silabs.com GSDK, published on 2 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A potential buffer overflow exists in the Bluetooth LE HCI CPC sample application in the Gecko SDK which may result in a denial of service or remote code execution

Weakness: CWE-131, CWE-787, CWE-125

Which versions are affected by CVE-2023-6387?

It affects 1 product.

Products include Silabs Gecko Software Development Kit.

How do I fix CVE-2023-6387?

No fix has been published for CVE-2023-6387 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-2023-6387 being exploited?

There is no known exploitation of CVE-2023-6387 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-48gx-pf5r-9pp3.

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