Malicious Code Injection in polymer-indtffsi-addutfdi: A Threat to npm Packages
Summary
MAL-2025-164449: Malicious code in polymer-indtffsi-addutfdi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package polymer-indtffsi-addutfdi is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. These packages often contain scripts that manipulate package metadata and publish numerous derivative packages, potentially harming developers' reputations and polluting the npm registry.
Vulnerability Detail
The vulnerability in polymer-indtffsi-addutfdi stems from its malicious payload that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, primarily themed around Indonesian culture. This behavior is designed to inflate developer reputation scores for token rewards, leading to a significant risk of registry pollution and potential exploitation of developers who unknowingly use these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymer-indtffsi-addutfdiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, avoid using the polymer-indtffsi-addutfdi package and consider using alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which analyzes your package-lock.json file for potential threats.
Conclusion
The polymer-indtffsi-addutfdi package poses a significant threat due to its malicious code that alters package metadata and floods the npm registry. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their applications.
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FAQ
It is an npm package that has been identified as malicious, associated with the tea.xyz token reward campaign.
The vulnerability can lead to the modification of your package.json file, potentially harming your project's integrity and reputation.
You should uninstall the package immediately using 'npm uninstall polymer-indtffsi-addutfdi' and check for any other affected packages.
Yes, you can use Vulert, which allows you to monitor and alert for open-source vulnerabilities in real-time by analyzing your package-lock.json file.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without any signup.
