CVE-2023-23304 : Exploit Details and Defense Strategies

This CVE-2023-23304 article provides insights into a security vulnerability affecting the GarminOS TVM component in the CIQ API version 2.1.0 through 4.1.7, allowing unauthorized access to the

Toybox.SensorHistory

module.

Understanding CVE-2023-23304

The vulnerability in the GarminOS TVM component enables malicious applications to utilize the

Toybox.SensorHistory

module without user permission, potentially leading to the disclosure of sensitive information.

What is CVE-2023-23304?

CVE-2023-23304 is a security flaw in the CIQ API of GarminOS where unauthorized applications can exploit the

Toybox.SensorHistory

module without user consent, compromising data privacy and security.

The Impact of CVE-2023-23304

This vulnerability poses a significant risk as it allows malicious apps to access and utilize sensitive information stored in the

Toybox.SensorHistory

module without user knowledge, potentially leading to privacy breaches and data exposure.

Technical Details of CVE-2023-23304

The following technical details outline the vulnerability's description, affected systems, and the exploitation mechanism.

Vulnerability Description

The issue in the GarminOS TVM component allows unauthorized access to the

Toybox.SensorHistory

module, enabling malicious applications to call functions within it without user consent, leading to the potential disclosure of private or sensitive data.

Affected Systems and Versions

The vulnerability impacts the CIQ API versions 2.1.0 through 4.1.7, specifically affecting applications that utilize the GarminOS TVM component.

Exploitation Mechanism

Malicious applications with specially crafted head sections can exploit this vulnerability to access and misuse the

Toybox.SensorHistory

module without proper authorization, exposing sensitive information.

Mitigation and Prevention

To address CVE-2023-23304 and enhance security, immediate steps should be taken along with the implementation of long-term security practices and application of patches and updates.

Immediate Steps to Take

It is recommended to review and restrict application permissions, particularly regarding access to the

Toybox.SensorHistory

module. Users should be cautious about installing untrusted applications on devices running affected versions of the CIQ API.

Long-Term Security Practices

Developers and users should follow best practices for secure coding, data access controls, and user consent mechanisms to prevent unauthorized access to sensitive modules and data within applications.

Patching and Updates

To mitigate the vulnerability, affected systems should apply patches or updates provided by GarminOS for the CIQ API, ensuring that unauthorized access to the

Toybox.SensorHistory

module is blocked and user data remains secure.