Malicious Code Injection in immense_puma_z3n: A Threat to npm Packages
Summary
MAL-2025-94936: Malicious code in immense_puma_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The immense_puma_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 components. However, it has been identified as part of a malicious campaign that exploits npm's publishing mechanisms, leading to potential security risks for developers and users alike.
Vulnerability Detail
The vulnerability in immense_puma_z3n originates from its association with the tea.xyz token reward campaign, which aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. The malicious code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to pollution of the npm registry. This not only affects the integrity of the npm ecosystem but can also lead to the unintentional installation of compromised packages by developers.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall immense_puma_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using the immense_puma_z3n package and monitor your dependencies for any unauthorized changes. You can also use tools like Vulert to check your application for vulnerabilities without requiring code access. To monitor your project, run: vulert monitor package-lock.json.
Conclusion
The immense_puma_z3n package poses a significant security risk due to its malicious code designed to manipulate the npm registry. Developers should take immediate action to remove this package and monitor their projects for vulnerabilities. Utilizing tools like Vulert can aid in maintaining the security of your applications.
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FAQ
immense_puma_z3n is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
The vulnerability can lead to the installation of compromised packages, potentially exposing your project to security risks and affecting the integrity of your application.
You should uninstall the package immediately and check your package.json and package-lock.json files for any references to it.
Yes, you can use Vulert to monitor your project for vulnerabilities by simply using your package-lock.json file.
Regularly audit your dependencies, use tools like Vulert for monitoring, and stay informed about known vulnerabilities in the npm ecosystem.
