Malicious Code Injection in full_rattlesnake_z3n Package
Summary
MAL-2025-94628: Malicious code in full_rattlesnake_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The full_rattlesnake_z3n package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. It is designed to facilitate the automatic generation and publication of derivative packages. This package, like others in the campaign, aims to inflate developer reputation scores for token rewards by creating numerous variants of itself with randomized names.
Vulnerability Detail
The vulnerability in the full_rattlesnake_z3n package stems from its malicious code, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of these variants, which pollutes the npm registry and can compromise the integrity of the ecosystem. The malicious payload is part of a larger scheme to exploit the npm registry for token rewards.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall full_rattlesnake_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 full_rattlesnake_z3n package and monitor your project for any instances of its usage. Additionally, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities in real-time.
Conclusion
The full_rattlesnake_z3n package contains malicious code that poses a significant risk to projects using it. Immediate action is required to uninstall the package and prevent further issues. Utilizing tools like Vulert can help maintain the security of your dependencies.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to automatically generate and publish derivative packages.
The malicious code modifies your package.json, removes private flags, and creates numerous variants that can clutter the npm registry and affect your project's integrity.
You should uninstall the full_rattlesnake_z3n package immediately using the command: npm uninstall full_rattlesnake_z3n.
Yes, regularly monitor your dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time without requiring code access.
You can use the Vulert playground at Vulert Scanner to check your application for vulnerabilities without needing to sign up.
