Vulnerability Details CVE-2023-23306
The `Toybox.Ant.BurstPayload.add` API method in CIQ API version 2.2.0 through 4.1.7 suffers from a type confusion vulnreability, which can result in an out-of-bounds write operation. A malicious application could create a specially crafted `Toybox.Ant.BurstPayload` object, call its `add` method, override arbitrary memory and hijack the execution of the device's firmware.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.4%
CVSS Severity
CVSS v3 Score 9.8
References
- https://developer.garmin.com/connect-iq/api-docs/Toybox/Ant/BurstPayload.html#add-instance_function
- https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23306.md
- https://developer.garmin.com/connect-iq/api-docs/Toybox/Ant/BurstPayload.html#add-instance_function
- https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23306.md
Products affected by CVE-2023-23306
-
cpe:2.3:a:garmin:connect-iq:2.3.0
-
cpe:2.3:a:garmin:connect-iq:4.1.7