CVE-2023-23303 Information

Description

The Toybox.Ant.GenericChannel.enableEncryption API method in CIQ API version 3.2.0 through 4.1.7 does not validate its parameter which can result in buffer overflows when copying various attributes. A malicious application could call the API method with specially crafted object and hijack the execution of the device’s firmware.

Reference

https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23303.md https://developer.garmin.com/connect-iq/api-docs/Toybox/Ant/GenericChannel.html#enableEncryption-instance_function