Malicious Code Injection in fun_snake_z3n Package: npm Vulnerability Overview
Summary
MAL-2025-102972: Malicious code in fun_snake_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The fun_snake_z3n package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the npm registry.
Vulnerability Detail
The vulnerability in the fun_snake_z3n package originates from its association with a campaign that floods the npm registry with malicious packages. The malicious payload modifies the package.json file to remove private flags, alters version numbers, and generates random names for packages, leading to pollution of the npm registry. This can result in unauthorized access to sensitive data and can compromise the security of applications relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall fun_snake_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 remove the fun_snake_z3n package from your project by executing the following command: npm uninstall fun_snake_z3n. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The fun_snake_z3n package has been identified as containing malicious code that poses a significant risk to applications relying on it. It is crucial to take immediate action by updating or removing the package to ensure the security of your software. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
The fun_snake_z3n package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to unauthorized modifications in your application's dependencies, potentially exposing sensitive data and compromising security.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software using just package-lock.json.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
If you cannot update the package, consider removing it from your project as a temporary measure to mitigate the risk of exploitation.
