Prototype Pollution Vulnerability in node-pathval Package
Summary
UBUNTU-CVE-2020-7751: pathval before version 1.1.1 is vulnerable to prototype pollution. Affects node-pathval versions 1.1.0-1. No fix is published. How to fix ↓
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Background
The node-pathval package is a utility for managing paths in JavaScript applications. It allows developers to easily manipulate and access object properties using a path-like syntax. However, prior to version 1.1.1, the package is susceptible to a prototype pollution vulnerability, which can lead to unintended modifications of object prototypes, potentially compromising application integrity and security.
Vulnerability Detail
The vulnerability identified as CVE-2020-7751 in the node-pathval package arises from improper handling of user input, allowing an attacker to manipulate the prototype of an object. This can lead to severe consequences, such as unauthorized access to sensitive data or the execution of arbitrary code. The vulnerability affects versions before 1.1.1, and its CVSS score is 6.0, indicating a medium severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, you can sanitize user inputs to prevent prototype pollution. This can be done by validating and restricting the input paths to known safe values before processing them in your application.
Conclusion
The prototype pollution vulnerability in the node-pathval package poses a significant risk to applications using affected versions. It is crucial to update to version 1.1.1 or later to mitigate this risk. Additionally, employing Vulert can help monitor and alert for such vulnerabilities in real-time, ensuring your software remains secure.
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FAQ
Prototype pollution is a security vulnerability that allows an attacker to modify an object's prototype, potentially leading to unexpected behavior in applications.
You can use Vulert, which monitors open-source vulnerabilities in your software. By uploading your manifest file, you can check for vulnerabilities without needing to install any software.
Failing to address this vulnerability can lead to unauthorized access, data breaches, or even remote code execution, putting your application and its users at risk.
Yes, you can use package managers like npm or yarn to automate updates. For example, running npm update node-pathval will update the package to the latest version.
Detailed information about CVE-2020-7751 can be found on the official GitHub repository and security advisories related to the node-pathval package.
References
Related vulnerabilities
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