CVE-2023-23301 Memory corruption in n/a

Critical 9.8 Published 23 May 2023 Updated 21 Jan 2025

A malicious CIQ application can trigger out-of-bounds memory reads in GarminOS TVM, potentially leading to information disclosure or code 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-2023-23301?

CVE-2023-23301 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 `news` MonkeyC operation code in CIQ API version 1.0.0 through 4.1.7 fails to check that string resources are not extending past the end of the expected sections. A malicious CIQ application could craft a string that starts near the end of a section, and whose length extends past its end. Upon loading the string, the GarminOS TVM component may read out-of-bounds memory.

Weakness: CWE-125

Which versions are affected by CVE-2023-23301?

It affects 1 product.

Products include Garmin Connect-Iq.

How do I fix CVE-2023-23301?

No fix has been published for CVE-2023-23301 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-2023-23301 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-23301 exists.

Sources

Also known as GHSA-629r-j729-x3wm.