Malicious Code Injection in blonde_beaver_z3n Package
Summary
MAL-2025-93398: Malicious code in blonde_beaver_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The blonde_beaver_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development of applications by providing reusable code. However, it has been identified as part of a malicious campaign that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages.
Vulnerability Detail
The vulnerability in the blonde_beaver_z3n package originates from its association with the tea.xyz token reward campaign. This package contains malicious scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. The scripts continuously republish these variants, leading to pollution of the npm registry and potential security risks for developers who inadvertently use these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall blonde_beaver_z3nIf 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 avoid using the blonde_beaver_z3n package and look for alternative packages that provide similar functionality without the associated risks. Always verify the integrity and reputation of packages before including them in your projects.
Conclusion
The blonde_beaver_z3n package poses a significant security risk due to its malicious code that modifies package configurations and repopulates the npm registry with compromised packages. It is essential to remove this package from your projects and monitor your dependencies for vulnerabilities.
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FAQ
The blonde_beaver_z3n package is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores.
The vulnerability can lead to the inclusion of malicious code in your application, potentially compromising its security and integrity.
If you have installed the blonde_beaver_z3n package, you should uninstall it immediately using the command: npm uninstall blonde_beaver_z3n.
You can use tools like Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
