Malicious Code Injection in polymedr-munisat-budipe Package
Summary
MAL-2025-164443: Malicious code in polymedr-munisat-budipe (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The polymedr-munisat-budipe package is part of the npm ecosystem, typically used for various JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been linked to a series of malicious packages that flood the npm registry. These packages often contain scripts designed to manipulate package metadata and inflate developer reputation scores.
Vulnerability Detail
The vulnerability in the polymedr-munisat-budipe package stems from the presence of malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, which leads to the continuous republishing of these variants. The origin of this vulnerability is tied to the tea.xyz token reward campaign, which aims to exploit npm's registry by creating a large number of derivative packages. The ramifications include potential pollution of the npm registry, loss of developer reputation, and exposure to further malicious activities.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymedr-munisat-budipeIf 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 remove the polymedr-munisat-budipe package from your project by executing: npm uninstall polymedr-munisat-budipe. This will prevent any malicious code from executing until a safe version is available.
Conclusion
The polymedr-munisat-budipe package contains a significant vulnerability due to malicious code that alters package metadata and floods the npm registry with derivative packages. It is crucial to update or remove this package to protect your project from potential risks associated with this vulnerability.
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FAQ
It is an npm package that has been linked to a malicious campaign aimed at inflating developer reputation scores through the creation of numerous derivative packages.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By analyzing your package-lock.json file, Vulert can provide real-time alerts for vulnerabilities.
The risks include the potential for your project to be associated with malicious activities, loss of reputation, and exposure to further attacks through the polluted npm registry.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
If immediate updates are not possible, consider removing the package as a temporary measure to mitigate risks until a safe version is available.
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