GARMIN Forerunner 235 up to 8.19 ConnectIQ TVM buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in GARMIN Forerunner 235 up to 8.19. Impacted is an unknown function of the component ConnectIQ TVM. Performing a manipulation results in buffer overflow. This vulnerability is reported as CVE-2020-27486. No exploit exists. You should upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in GARMIN Forerunner 235 up to 8.19. This affects some unknown functionality of the component ConnectIQ TVM. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 11/17/2020 as ATREDIS-2020-0006. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-27486. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 8.20 eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.7VulDB Meta Temp Score: 7.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.9
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Forerunner 235 8.20
Timeline
10/21/2020 🔍11/17/2020 🔍
11/17/2020 🔍
12/08/2020 🔍
Sources
Advisory: ATREDIS-2020-0006Status: Confirmed
CVE: CVE-2020-27486 (🔍)
GCVE (CVE): GCVE-0-2020-27486
GCVE (VulDB): GCVE-100-165027
Entry
Created: 11/17/2020 08:25Updated: 12/08/2020 07:05
Changes: 11/17/2020 08:25 (39), 12/08/2020 07:01 (5), 12/08/2020 07:05 (18)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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