Integer overflow in Garmin Connect-Iq

CVE-2023-23298

The `Toybox.Graphics.BufferedBitmap.initialize` API method in CIQ API version 2.3.0 through 4.1.7 does not validate its parameters, which can result in integer overflows when allocating the underlying bitmap buffer. A malicious application could call the API method with specially crafted parameters and hijack the execution of the device's firmware.

Vulnerability class: Integer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.015 (72.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-23298: held from 0.015 to 0.015.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-23298?
CVE-2023-23298 is a critical-severity vulnerability in Garmin Connect-Iq, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2023-05-23.
How severe is CVE-2023-23298?
Critical severity. CVSS v3 base score is 9.8 out of 10.