CVE-2022-38216 Explained : Impact and Mitigation

An integer overflow vulnerability was discovered in Mapbox's gl-native library before version 10.6.1, impacting various Mapbox products. This vulnerability could result in out-of-bounds writes, potentially leading to a crash in the Mapbox process.

Understanding CVE-2022-38216

This section provides detailed insights into the impact and technical details of CVE-2022-38216.

What is CVE-2022-38216?

The CVE-2022-38216 vulnerability is an integer overflow issue in Mapbox's gl-native library, occurring in versions before 10.6.1. It is triggered by large image dimensions during Image creation.

The Impact of CVE-2022-38216

The vulnerability allows for out-of-bounds writes, which could lead to a crash in the Mapbox process, affecting the stability and functionality of the software.

Technical Details of CVE-2022-38216

In this section, we delve into the technical aspects of the CVE-2022-38216 vulnerability.

Vulnerability Description

The integer overflow vulnerability stems from handling large image height and width values during the creation of a new Image, potentially causing out-of-bounds writes.

Affected Systems and Versions

Mapbox products bundling the gl-native library before version 10.6.1 are vulnerable to this issue, impacting both open source and closed source implementations.

Exploitation Mechanism

Exploiting this vulnerability requires crafting malicious images with specific dimensions to trigger the integer overflow, enabling attackers to perform out-of-bounds writes.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-38216, immediate actions and long-term security measures should be implemented.

Immediate Steps to Take

Users are advised to update affected Mapbox products to version 10.6.1 or newer to prevent exploitation of the vulnerability. Additionally, monitoring for any abnormal system behavior is recommended.

Long-Term Security Practices

Employing secure coding practices, conducting regular security assessments, and staying informed about security updates are crucial for long-term mitigation of similar vulnerabilities.

Patching and Updates

Mapbox has released version 10.6.1, addressing the integer overflow vulnerability. Users should promptly apply patches and stay vigilant for future security advisories.