Malicious Code Injection in virtualize-kernel-string-cluster-mu Package
Summary
MAL-2025-190162: Malicious code in virtualize-kernel-string-cluster-mu (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The virtualize-kernel-string-cluster-mu package is part of the npm ecosystem, typically used for virtualizing kernel string clusters. It is designed to facilitate certain functionalities within JavaScript applications. However, this package has been identified as part of a malicious campaign that floods the npm registry with harmful scripts, affecting developers and users alike.
Vulnerability Detail
The vulnerability stems from the package being associated with the tea.xyz token reward campaign, which utilizes autopublish scripts to generate and publish derivative packages with randomized names. This malicious behavior modifies the package.json file by removing private flags, altering version numbers, and continuously republishing variants, leading to pollution of the npm registry. The ramifications include compromised developer reputation scores and potential security risks for applications relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall virtualize-kernel-string-cluster-muIf 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 this malicious package by using npm's package-lock.json file to lock your dependencies. Ensure that your project does not include the virtualize-kernel-string-cluster-mu package.
Conclusion
The virtualize-kernel-string-cluster-mu package has been identified as containing malicious code that can compromise the integrity of applications using it. It is crucial to uninstall this package and monitor for any updates or patches. Utilizing tools like Vulert can help in maintaining the security of your applications.
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FAQ
The malicious code can lead to the automatic generation of harmful packages, affecting the integrity of the npm registry and potentially compromising applications that depend on it.
You can use Vulert to monitor and alert in real-time for open-source vulnerabilities. Visit Vulert Scanner to check if your application is affected without requiring any signup.
If you have installed the virtualize-kernel-string-cluster-mu package, you should uninstall it immediately using 'npm uninstall virtualize-kernel-string-cluster-mu'.
Currently, there are no specific patches for this vulnerability, but it is advisable to monitor the npm registry for any updates or patched versions.
Regularly audit your dependencies and use tools like Vulert to monitor for vulnerabilities in your open-source packages.
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