Malicious Code Injection in urban_python_z3n: A Threat to npm Users
Summary
MAL-2025-123884: Malicious code in urban_python_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
urban_python_z3n is an npm package that is part of the tea.xyz token reward campaign. This package is designed to facilitate the distribution of software within the npm ecosystem. However, it has been identified as containing malicious code that can compromise the integrity of the npm registry and the applications that depend on it.
Vulnerability Detail
The vulnerability in urban_python_z3n originates from its association with a malicious campaign that floods the npm registry with derivative packages. These packages contain scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior not only inflates developer reputation scores but also pollutes the npm registry, potentially leading to security risks for developers and users relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall urban_python_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 urban_python_z3n package from your project by executing the command: 'npm uninstall urban_python_z3n'. This will prevent any malicious scripts from executing until a secure version is available.
Conclusion
The urban_python_z3n package poses a significant threat due to its malicious code that alters package metadata and floods the npm registry. It is essential for developers to take immediate action by updating or removing the package to safeguard their applications.
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FAQ
urban_python_z3n is an npm package associated with the tea.xyz token reward campaign, which has been found to contain malicious code.
The vulnerability can lead to the modification of your package.json file, removal of private flags, and the generation of random package names, which can compromise your application's integrity.
You should immediately uninstall the package using 'npm uninstall urban_python_z3n' and check for any updates or patches.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software by analyzing your package-lock.json file. You can check your application for vulnerabilities using the Vulert playground without any signup.
Regularly update your packages, monitor for vulnerabilities using tools like Vulert, and review your dependencies for any malicious activity.
