Malicious Code Injection in selected_lion-notthedev Package
Summary
MAL-2025-108503: Malicious code in selected_lion-notthedev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The selected_lion-notthedev package is part of the npm ecosystem, often used in JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. This package, like others in the campaign, is designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names.
Vulnerability Detail
The vulnerability in the selected_lion-notthedev package stems from its malicious code that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, potentially leading to security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall selected_lion-notthedevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can temporarily avoid using the selected_lion-notthedev package by replacing it with an alternative package that provides similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The selected_lion-notthedev package contains malicious code that poses significant risks to developers and their applications. It is crucial to remove this package and monitor your project for any unauthorized changes. Utilizing tools like Vulert can help in identifying and mitigating such vulnerabilities in the future.
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FAQ
It is an npm package that is part of a malicious campaign aimed at inflating developer reputation scores.
The malicious code can modify your package.json file, potentially leading to security vulnerabilities and pollution of the npm registry.
You should remove the selected_lion-notthedev package from your project and monitor for any unauthorized changes in your package-lock.json.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
Regularly audit your dependencies, use tools like Vulert for monitoring, and stay informed about known vulnerabilities in the npm ecosystem.
