Malicious Code Injection in uinsu-list-ptul: npm Package Vulnerability
Summary
MAL-2025-169850: Malicious code in uinsu-list-ptul (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The uinsu-list-ptul package is part of the npm ecosystem, primarily used for managing lists in JavaScript applications. It is often utilized for its simplicity and ease of integration. However, this package has been identified as part of a malicious campaign that floods the npm registry with derivative packages, compromising its integrity and security.
Vulnerability Detail
The vulnerability in the uinsu-list-ptul package stems from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is designed to inflate developer reputation scores for token rewards, leading to potential security risks such as unauthorized access and pollution of the npm registry. The malicious payload continuously republishes variants, making it difficult to track and mitigate the issue.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall uinsu-list-ptulIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can prevent the installation of the uinsu-list-ptul package by using the following command to uninstall it: npm uninstall uinsu-list-ptul. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The uinsu-list-ptul package poses a significant security risk due to its malicious code injection. It is essential to remove this package from your project and monitor for any vulnerabilities using tools like Vulert. Staying informed and proactive can help protect your applications from such threats.
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FAQ
The uinsu-list-ptul package is an npm package used for managing lists in JavaScript applications, but it has been identified as part of a malicious campaign.
The vulnerability can lead to unauthorized modifications in your project, potential security breaches, and pollution of the npm registry, affecting the integrity of your application.
If you have installed the uinsu-list-ptul package, it is crucial to uninstall it immediately and monitor your application for any unusual behavior.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file. You can check if your application is affected by this vulnerability using the Vulert playground.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by the uinsu-list-ptul vulnerability without requiring any signup.
