CVE-2020-7641 Explained : Impact and Mitigation

This CVE-2020-7641 article provides insights into a vulnerability affecting the grunt-util-property package, leading to potential Prototype Pollution.

Understanding CVE-2020-7641

This CVE involves a vulnerability in the grunt-util-property package that could allow an attacker to manipulate properties of Object.prototype using a proto payload.

What is CVE-2020-7641?

CVE-2020-7641 is a security vulnerability impacting all versions of the grunt-util-property package, enabling attackers to modify properties of Object.prototype.

The Impact of CVE-2020-7641

The vulnerability has a CVSS v3.1 base score of 4 (Medium severity) with a Proof of Concept exploit code maturity. It poses a risk of low confidentiality and availability impact.

Technical Details of CVE-2020-7641

This section delves into the specifics of the CVE.

Vulnerability Description

The flaw in grunt-util-property allows attackers to manipulate Object.prototype properties using a proto payload.

Affected Systems and Versions

Product: grunt-util-property
Vendor: n/a
Versions: Custom version 0

Exploitation Mechanism

The vulnerability can be exploited locally with high attack complexity, requiring no privileges, and has a low impact on availability.

Mitigation and Prevention

Protecting systems from CVE-2020-7641 requires immediate actions and long-term security measures.

Immediate Steps to Take

Monitor for any unusual activity related to Object.prototype modifications.
Implement input validation to prevent malicious payloads.

Long-Term Security Practices

Regularly update the grunt-util-property package to patched versions.
Conduct security audits to identify and address similar vulnerabilities.

Patching and Updates

Apply patches provided by the package maintainers to mitigate the vulnerability effectively.