CVE-2023-23306

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: total

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

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