CVE-2020-7723 : Security Advisory and Response

A vulnerability in the package promisehelpers allows for Prototype Pollution via the insert function.

Understanding CVE-2020-7723

All versions of the promisehelpers package are affected by this critical vulnerability.

What is CVE-2020-7723?

CVE-2020-7723 is a security vulnerability that enables attackers to manipulate the prototype of objects in JavaScript, potentially leading to code execution or data manipulation.

The Impact of CVE-2020-7723

The vulnerability has a CVSS base score of 9.8, indicating a critical severity level with high impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-7723

The following technical details outline the specifics of CVE-2020-7723:

Vulnerability Description

The vulnerability in promisehelpers allows for Prototype Pollution through the insert function, posing a significant risk to the security of applications using this package.

Affected Systems and Versions

Product: promisehelpers
Vendor: Not applicable
Versions: Custom version 0

Exploitation Mechanism

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Exploit Code Maturity: Proof of Concept

Mitigation and Prevention

To address CVE-2020-7723 and enhance security measures, consider the following steps:

Immediate Steps to Take

Update the promisehelpers package to a secure version.
Monitor for any suspicious activities on the affected systems.
Implement network security measures to prevent exploitation.

Long-Term Security Practices

Regularly audit and review third-party packages for vulnerabilities.
Educate developers on secure coding practices to mitigate similar risks.

Patching and Updates

Apply official fixes or patches provided by the package maintainers.