Vulnerability Description
Garmin Forerunner 235 before 8.20 is affected by: Integer Overflow. The component is: ConnectIQ TVM. The attack vector is: To exploit the vulnerability, the attacker must upload a malicious ConnectIQ application to the ConnectIQ store. The ConnectIQ program interpreter fails to check for overflow when allocating the array for the NEWA instruction. This a constrained read/write primitive across the entire MAX32630 address space. A successful exploit would allow a ConnectIQ app store application to escape and perform activities outside the restricted application execution environment.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Garmin | Forerunner 235 Firmware | >= 7.90, < 8.20 |
| Garmin | Forerunner 235 | - |
Related Weaknesses (CWE)
References
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0004.mdExploitThird Party Advisory
- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0004.mdExploitThird Party Advisory
FAQ
What is CVE-2020-27484?
CVE-2020-27484 is a vulnerability with a CVSS score of 9.9 (CRITICAL). Garmin Forerunner 235 before 8.20 is affected by: Integer Overflow. The component is: ConnectIQ TVM. The attack vector is: To exploit the vulnerability, the attacker must upload a malicious ConnectIQ ...
How severe is CVE-2020-27484?
CVE-2020-27484 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-27484?
Check the references section above for vendor advisories and patch information. Affected products include: Garmin Forerunner 235 Firmware, Garmin Forerunner 235.