CVE-2019-10806 Explained : Impact and Mitigation

Versions of vega-util prior to 1.13.1 enable the manipulation of the object prototype, posing a risk of Prototype Pollution.

Understanding CVE-2019-10806

Versions of vega-util prior to 1.13.1 allow for the manipulation of the object prototype through the 'vega.mergeConfig' function.

What is CVE-2019-10806?

CVE-2019-10806 is a vulnerability in vega-util that permits the addition or modification of properties of the Object.prototype.

The Impact of CVE-2019-10806

Exploiting this vulnerability can lead to potential security risks such as data manipulation, unauthorized access, and code execution.

Technical Details of CVE-2019-10806

Vulnerability Description

The 'vega.mergeConfig' function in vega-util prior to version 1.13.1 allows for unauthorized modification of the Object.prototype.

Affected Systems and Versions

Product: vega-util
Vendor: Not applicable
Versions affected: All versions prior to 1.13.1

Exploitation Mechanism

By manipulating the 'vega.mergeConfig' function, attackers can add or modify properties of the Object.prototype, leading to potential security breaches.

Mitigation and Prevention

Immediate Steps to Take

Update vega-util to version 1.13.1 or later to mitigate the vulnerability.
Monitor for any unauthorized changes to the Object.prototype.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement input validation and sanitization to prevent injection attacks.

Patching and Updates

Apply patches and security updates promptly to address known vulnerabilities and enhance system security.