Malicious Code Injection in joni-tempe43-ruro: A Threat to npm Packages
Summary
MAL-2025-104705: Malicious code in joni-tempe43-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package joni-tempe43-ruro is part of a malicious campaign targeting the npm ecosystem, specifically designed to exploit developers' reputations through token reward schemes. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with numerous derivative packages. These packages often contain scripts that automatically publish variants with randomized names, undermining the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in joni-tempe43-ruro stems from its malicious code that modifies the package.json file to remove private flags and alters version numbers. It generates random Indonesian-themed package names and continuously republishes these variants, leading to pollution of the npm registry. This behavior not only compromises the security of the affected package but also affects the overall trustworthiness of the npm ecosystem, potentially leading to reputational damage for developers and organizations relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall joni-tempe43-ruroIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using the joni-tempe43-ruro package and consider using alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The joni-tempe43-ruro package poses a significant risk to developers and the npm ecosystem due to its malicious code that alters package metadata and floods the registry with unauthorized variants. It is crucial to remove this package and monitor your dependencies regularly to maintain the integrity of your projects.
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FAQ
Joni-tempe43-ruro is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through the publication of derivative packages.
The vulnerability can lead to unauthorized modifications in your package.json file, potentially exposing your project to security risks and damaging your reputation as a developer.
If you have installed joni-tempe43-ruro, you should uninstall it immediately using 'npm uninstall joni-tempe43-ruro' and review your project for any unauthorized changes.
You can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
