Out-of-bounds Read in Garmin Connect-Iq

CVE-2023-23301

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.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (61.0th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-23301?
CVE-2023-23301 is a critical-severity vulnerability in Garmin Connect-Iq, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2023-05-23.
How severe is CVE-2023-23301?
Critical severity. CVSS v3 base score is 9.8 out of 10.