Malicious Code Injection in sudo-yaml-virtualize-encode-pi Package
Summary
MAL-2025-189730: Malicious code in sudo-yaml-virtualize-encode-pi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The sudo-yaml-virtualize-encode-pi package is part of the npm ecosystem, typically used for YAML processing and virtualization tasks. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. This package's functionality is compromised due to the presence of malicious scripts that manipulate its metadata and behavior.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the sudo-yaml-virtualize-encode-pi package. This payload modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly integrate these compromised packages into their projects, potentially leading to security breaches and loss of reputation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall sudo-yaml-virtualize-encode-pi
If 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 avoid using the sudo-yaml-virtualize-encode-pi package until a secure version is released. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The sudo-yaml-virtualize-encode-pi package has been identified as containing malicious code that compromises its integrity and poses risks to developers. It is crucial to update or remove this package and to utilize monitoring tools like Vulert to safeguard your projects against future vulnerabilities.
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FAQ
It is an npm package used for YAML processing and virtualization, but it has been compromised with malicious code.
The malicious code modifies your package.json, removes private flags, and can lead to the publication of unauthorized package variants, potentially compromising your project's security.
You should immediately update the package to the latest version or remove it from your project to mitigate any risks.
You can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without needing to sign up.
Regularly audit your dependencies, use tools like Vulert for monitoring, and stay informed about known vulnerabilities in the packages you use.