CVE-2020-7770 : What You Need to Know

This CVE-2020-7770 article provides insights into a vulnerability in the json8 package before version 1.0.3, leading to prototype pollution.

Understanding CVE-2020-7770

This section delves into the details of the CVE-2020-7770 vulnerability.

What is CVE-2020-7770?

CVE-2020-7770 affects the json8 package before version 1.0.3. The vulnerability arises from improper key validation during property addition, resulting in prototype pollution.

The Impact of CVE-2020-7770

The impact of this vulnerability is rated as medium severity with a CVSS base score of 6.5. It poses a high confidentiality impact but no integrity or availability impact.

Technical Details of CVE-2020-7770

This section outlines the technical aspects of CVE-2020-7770.

Vulnerability Description

The vulnerability allows an attacker to manipulate the prototype of objects, potentially leading to security breaches.

Affected Systems and Versions

Product: json8
Vendor: Not applicable
Versions affected: Before 1.0.3

Exploitation Mechanism

The vulnerability can be exploited through network-based attacks without requiring privileges, making it a significant threat.

Mitigation and Prevention

Explore the mitigation strategies to address CVE-2020-7770.

Immediate Steps to Take

Update the json8 package to version 1.0.3 or higher.
Monitor for any suspicious activities related to object manipulation.

Long-Term Security Practices

Regularly update packages and dependencies to prevent known vulnerabilities.
Implement input validation and sanitization to mitigate similar risks.

Patching and Updates

Stay informed about security patches and updates for the json8 package to address any future vulnerabilities.