Malicious Code Injection in unusual_whippet-excellentdev Package
Summary
MAL-2025-110190: Malicious code in unusual_whippet-excellentdev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The unusual_whippet-excellentdev package is part of the npm ecosystem, which is widely used for JavaScript development. This package is associated with the tea.xyz token reward campaign, which has been linked to a series of malicious activities aimed at inflating developer reputation scores through the automatic generation and publication of derivative packages. The package's functionality is compromised, making it a vector for malicious code injection.
Vulnerability Detail
The vulnerability originates from the package being part of a malicious campaign that floods the npm registry with derivative packages. It contains scripts designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior leads to the pollution of the npm registry and can potentially harm developers by affecting their reputation and the integrity of their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall unusual_whippet-excellentdevIf 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 unusual_whippet-excellentdev package from your project by executing the following command: npm uninstall unusual_whippet-excellentdev. This will prevent any malicious code from executing until a fix is available.
Conclusion
The unusual_whippet-excellentdev package has been identified as a vector for malicious code injection, posing a significant risk to developers and their projects. It is crucial to take immediate action by removing the package and monitoring for updates or patches. Utilizing tools like Vulert can help maintain the security of your dependencies.
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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 the automatic generation of derivative packages.
The vulnerability can lead to the pollution of the npm registry, potentially harming your project's integrity and affecting your reputation as a developer.
You should uninstall the package immediately and check for any updates or patches that may address the vulnerability.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json. You can check your application for vulnerabilities using the Vulert playground at Vulert Scanner without any signup.
Regularly update your packages, monitor for vulnerabilities using tools like Vulert, and review your package-lock.json file for any suspicious entries.
