Malicious Code Injection in maximum_roadrunner-biggestdev Package
Summary
MAL-2025-105677: Malicious code in maximum_roadrunner-biggestdev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The maximum_roadrunner-biggestdev package is part of the npm ecosystem, which is widely used for JavaScript development. This package has been identified as part of a malicious campaign that aims to exploit developers by flooding the npm registry with derivative packages. These packages are designed to inflate developer reputation scores through automated publishing scripts, which can lead to significant issues within the ecosystem.
Vulnerability Detail
The vulnerability stems from malicious code embedded within the maximum_roadrunner-biggestdev package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, primarily themed around Indonesian culture. The malicious payload continuously republishes these variants, polluting the npm registry and potentially compromising the integrity of other packages and applications that depend on it.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall maximum_roadrunner-biggestdevIf 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 maximum_roadrunner-biggestdev package from your project by executing: npm uninstall maximum_roadrunner-biggestdev. This will prevent any potential exploitation while you seek a secure alternative or wait for a patched version.
Conclusion
The maximum_roadrunner-biggestdev package contains malicious code that poses a significant risk to developers and the npm ecosystem. It is crucial to take immediate action by updating or removing the package to safeguard your applications. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of your application and other packages that depend on it.
You should uninstall the package immediately and check for any updates or patches that may be available.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.
