Malicious Code Injection in helpful_caterpillar-silentdev Package
Summary
MAL-2025-103639: Malicious code in helpful_caterpillar-silentdev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The helpful_caterpillar-silentdev package is part of the npm ecosystem, typically used for various development tasks. However, it has been identified as part of a malicious campaign that aims to exploit npm's package publishing system. This package is designed to automatically generate and publish derivative packages with altered metadata, which can lead to reputation inflation and registry pollution.
Vulnerability Detail
The vulnerability originates from the package's involvement in the tea.xyz token reward campaign, which floods npm with malicious packages. These packages include scripts that modify the package.json file to remove private flags, change version numbers, and generate random package names. The continuous republishing of these variants can lead to significant pollution of the npm registry, affecting developers and users relying on legitimate packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall helpful_caterpillar-silentdevIf 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 helpful_caterpillar-silentdev package and consider using alternative packages that are known to be safe. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which can alert you to any open-source vulnerabilities in your software.
Conclusion
The helpful_caterpillar-silentdev package poses a significant risk due to its malicious code designed to exploit the npm registry. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain the integrity of their software.
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FAQ
It is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project's dependencies.
You should uninstall the package immediately using the command: npm uninstall helpful_caterpillar-silentdev.
You can use Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities without needing to sign up.
