CVE-2020-7638 : Security Advisory and Response

confinit through 0.3.0 is vulnerable to Prototype Pollution. The 'setDeepProperty' function could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.

Understanding CVE-2020-7638

confinit through version 0.3.0 is susceptible to a Prototype Pollution vulnerability that can be exploited to manipulate properties of 'Object.prototype'.

What is CVE-2020-7638?

CVE-2020-7638 is a security vulnerability in confinit versions prior to 0.4.0 that allows an attacker to perform Prototype Pollution attacks.

The Impact of CVE-2020-7638

The vulnerability in confinit could lead to unauthorized modification of 'Object.prototype' properties, potentially enabling attackers to execute arbitrary code or disrupt the application's behavior.

Technical Details of CVE-2020-7638

Vulnerability Description

The issue arises from the 'setDeepProperty' function in confinit, which can be manipulated by an attacker to alter 'Object.prototype' properties using a 'proto' payload.

Affected Systems and Versions

Product: confinit
Vendor: n/a
Versions Affected: All versions below 0.4.0

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting a 'proto' payload through the 'setDeepProperty' function, leading to the pollution of 'Object.prototype' and potential security compromises.

Mitigation and Prevention

Immediate Steps to Take

Upgrade confinit to version 0.4.0 or later to mitigate the Prototype Pollution vulnerability.
Monitor for any suspicious activities or unexpected changes in 'Object.prototype' properties.

Long-Term Security Practices

Regularly update software components to patch known vulnerabilities.
Implement input validation and sanitization to prevent injection attacks.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by the confinit project to address security issues.