CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 1CVE-2023-23303
https://notcve.org/view.php?id=CVE-2023-23303
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. • https://developer.garmin.com/connect-iq/api-docs/Toybox/Ant/GenericChannel.html#enableEncryption-instance_function https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23303.md • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 9.1EPSS: 0%CPEs: 1EXPL: 1CVE-2023-23304
https://notcve.org/view.php?id=CVE-2023-23304
The GarminOS TVM component in CIQ API version 2.1.0 through 4.1.7 allows applications with a specially crafted head section to use the `Toybox.SensorHistory` module without permission. A malicious application could call any functions from the `Toybox.SensorHistory` module without the user's consent and disclose potentially private or sensitive information. • https://developer.garmin.com/connect-iq/api-docs/Toybox/SensorHistory.html https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23304.md •
CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 1CVE-2023-23305
https://notcve.org/view.php?id=CVE-2023-23305
The GarminOS TVM component in CIQ API version 1.0.0 through 4.1.7 is vulnerable to various buffer overflows when loading binary resources. A malicious application embedding specially crafted resources could hijack the execution of the device's firmware. • https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23305.md • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 9.8EPSS: 0%CPEs: 1EXPL: 1CVE-2023-23306
https://notcve.org/view.php?id=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. • 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 • CWE-787: Out-of-bounds Write •