Vulnerability Details CVE-2020-27484
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 75.2%
CVSS Severity
CVSS v3 Score 9.9
CVSS v2 Score 6.5
References
Products affected by CVE-2020-27484
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cpe:2.3:h:garmin:forerunner_235:-
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cpe:2.3:o:garmin:forerunner_235_firmware:*