CVE-2023-23302 Memory corruption in n/a

Critical 9.8 Published 23 May 2023 Updated 21 Jan 2025

A malicious application can exploit a buffer overflow in the Connect IQ API to hijack device firmware execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-23302?

CVE-2023-23302 is a critical memory corruption vulnerability in n/a, published on 23 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The `Toybox.GenericChannel.setDeviceConfig` API method in CIQ API version 1.2.0 through 4.1.7 does not validate its parameter, which can result in buffer overflows when copying various attributes. A malicious application could call the API method with specially crafted object and hijack the execution of the device's firmware.

Weakness: CWE-120

Which versions are affected by CVE-2023-23302?

It affects 1 product.

Products include Garmin Connect-Iq.

How do I fix CVE-2023-23302?

No fix has been published for CVE-2023-23302 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-2023-23302 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-23302 exists.

Sources

Also known as GHSA-9c9f-9jw3-hhmv.