Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 67.6%
CVSS Severity
CVSS v3 Score 9.8
References
- https://developer.garmin.com/connect-iq/api-docs/Toybox/Graphics/BufferedBitmap.html#initialize-instance_function
- https://developer.garmin.com/connect-iq/compatible-devices/
- https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23298.md
- https://developer.garmin.com/connect-iq/api-docs/Toybox/Graphics/BufferedBitmap.html#initialize-instance_function
- https://developer.garmin.com/connect-iq/compatible-devices/
- https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23298.md
Products affected by CVE-2023-23298
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cpe:2.3:a:garmin:connect-iq:2.3.0
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cpe:2.3:a:garmin:connect-iq:4.1.7