Critical Prototype Pollution Vulnerability in node-getobject Package
Summary
CVE-2020-28282: Prototype pollution vulnerability in 'getobject' version 0.1.0 allows an attacker to cause a denial of service and may lead to remote code execution. Affects node-getobject across 2 version ranges.
< 0.1.0-2+deb11u1
< 77982939a7df860032cd3cfd95ac984f9eba4867
Fixed in 0.1.0-2+deb11u1. How to fix ↓
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Background
The node-getobject package is a JavaScript library used for manipulating and accessing object properties in Node.js applications. It allows developers to retrieve and set properties dynamically, making it a useful tool for various programming tasks. However, a significant vulnerability has been identified in version 0.1.0, which exposes applications using this package to potential security risks, including denial of service and remote code execution.
Vulnerability Detail
The vulnerability, identified as CVE-2020-28282, is a prototype pollution issue that arises from improper handling of user input in the getobject library. An attacker can exploit this flaw to manipulate the prototype of built-in objects, leading to unexpected behavior in the application. This can result in denial of service or even remote code execution, posing a severe threat to the integrity and security of affected systems. The vulnerability has a CVSS score of 9.8, indicating its critical nature.
How To Fix
Minimum fixed version
0.1.0-2+deb11u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade node-getobjectTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If immediate upgrading is not feasible, consider implementing input validation to sanitize user inputs before processing them with the getobject library. This can help mitigate the risk of prototype pollution until a proper update can be applied.
Conclusion
The CVE-2020-28282 vulnerability in the node-getobject package poses a critical risk to applications using this library. It is crucial to update to the latest patched versions to safeguard against potential attacks. Implementing input validation can serve as a temporary measure until updates are applied. For ongoing monitoring, consider using Vulert to stay informed about vulnerabilities in your software.
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FAQ
Prototype pollution is a security vulnerability that allows an attacker to modify the prototype of a base object, potentially leading to unexpected behavior and security issues in applications.
You can use tools like Vulert, which monitors and alerts for open-source vulnerabilities in your software. By checking your package-lock.json file, you can determine if your application is affected by this vulnerability.
Exploiting this vulnerability can lead to denial of service, remote code execution, and unauthorized access to sensitive data, severely compromising application security.
Yes, implementing strict input validation and sanitization can help reduce the risk of exploitation until you can update to a secure version.
Detailed information about CVE-2020-28282 can be found on various security advisory platforms, including the official CVE database and vulnerability tracking sites.
References
Related vulnerabilities
Recent vulnerabilities recorded for node-getobject.
