CVE-2020-28499 : Exploit Details and Defense Strategies

CVE-2020-28499, also known as Prototype Pollution, affects the 'merge' package, making it vulnerable to specific exploitation. This CVE was made public on February 18, 2021, and carries a high severity base score of 7.3.

Understanding CVE-2020-28499

This section delves into the details of the vulnerability and its implications.

What is CVE-2020-28499?

CVE-2020-28499 refers to a vulnerability in the 'merge' package that allows attackers to exploit Prototype Pollution through the '_recursiveMerge' function.

The Impact of CVE-2020-28499

The impact of this vulnerability is considered high, with a base score of 7.3. It can lead to unauthorized modification of object properties, potentially compromising the integrity of the system.

Technical Details of CVE-2020-28499

Explore the technical aspects of the CVE in this section.

Vulnerability Description

The vulnerability in the 'merge' package enables attackers to perform Prototype Pollution attacks using the '_recursiveMerge' function.

Affected Systems and Versions

Product: merge
Vendor: n/a
Versions affected: custom version 0

Exploitation Mechanism

The vulnerability can be exploited remotely with low attack complexity, requiring no privileges. Attackers can manipulate object properties through the '_recursiveMerge' function.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2020-28499.

Immediate Steps to Take

Update the 'merge' package to a secure version that addresses the Prototype Pollution vulnerability.
Monitor for any suspicious activities that may indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update packages and dependencies to patch known vulnerabilities.
Implement security measures to prevent and detect Prototype Pollution attacks.

Patching and Updates

Stay informed about security updates for the 'merge' package and apply patches promptly to mitigate risks.