What is CVE-2023-23305?

CVE-2023-23305 is a critical-severity vulnerability in Garmin Connect-Iq, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-05-23.

How severe is CVE-2023-23305?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Garmin Connect-Iq

CVE-2023-23305

The GarminOS TVM component in CIQ API version 1.0.0 through 4.1.7 is vulnerable to various buffer overflows when loading binary resources. A malicious application embedding specially crafted resources could hijack the execution of the device's firmware.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (66.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Garmin Connect-iq
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit)
134c704f-9b21-4f2e-91b3-4a467353bcc0

Frequently asked questions

What is CVE-2023-23305?: CVE-2023-23305 is a critical-severity vulnerability in Garmin Connect-Iq, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-05-23.
How severe is CVE-2023-23305?: Critical severity. CVSS v3 base score is 9.8 out of 10.