Garmin GarminOS up to 4.1.7 CIQ API buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Garmin GarminOS up to 4.1.7. It has been rated as critical. The impacted element is an unknown function of the component CIQ API. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2023-23302. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Garmin GarminOS up to 4.1.7 and classified as critical. This issue affects an unknown function of the component CIQ API. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The `Toybox.GenericChannel.setDeviceConfig` API method in CIQ API version 1.2.0 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.

The weakness was published 05/24/2023. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-23302 since 01/11/2023. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/07/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27402). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/11/2023 🔍
05/24/2023 +132 days 🔍
05/24/2023 +0 days 🔍
10/07/2025 +867 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-23302 (🔍)
GCVE (CVE): GCVE-0-2023-23302
GCVE (VulDB): GCVE-100-229775
EUVD: 🔍

Entryinfo

Created: 05/24/2023 07:34
Updated: 10/07/2025 06:12
Changes: 05/24/2023 07:34 (38), 06/16/2023 16:30 (11), 10/07/2025 06:12 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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