Malicious Code Injection in single_landfowl_z3n Package
Summary
MAL-2025-96602: Malicious code in single_landfowl_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The single_landfowl_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 creation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. Its functionality is compromised by malicious scripts that alter package metadata.
Vulnerability Detail
The vulnerability in the single_landfowl_z3n package stems from its inclusion in a campaign that floods the npm registry with malicious packages. These packages contain scripts that modify the package.json file, removing private flags, changing version numbers, and generating random package names. This not only pollutes the npm registry but can also lead to security risks for developers who unknowingly use these compromised packages. The malicious payload is designed to continuously republish variants, exacerbating the issue.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall single_landfowl_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can temporarily avoid using the single_landfowl_z3n package by removing it from your dependencies. You can do this by running the command: npm uninstall single_landfowl_z3n. Additionally, consider using Vulert to monitor your package-lock.json for vulnerabilities in real-time.
Conclusion
The single_landfowl_z3n package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial for developers to remove this package and monitor their dependencies for vulnerabilities using tools like Vulert.
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FAQ
The single_landfowl_z3n package is an npm package associated with a token reward campaign that generates derivative packages to inflate developer reputation scores.
The vulnerability can lead to the pollution of the npm registry and may expose your project to security risks if you inadvertently use compromised packages.
If you have installed the single_landfowl_z3n package, it is advisable to uninstall it immediately and monitor your project for any potential impacts.
You can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring access to your code or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
