Malicious Code Injection in many_cattle_z3n Package: npm Vulnerability Overview
Summary
MAL-2025-88305: Malicious code in many_cattle_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The many_cattle_z3n package is part of the npm ecosystem, typically used for various JavaScript functionalities. However, it has been identified as part of a malicious campaign that exploits npm's package publishing system. This package is associated with the tea.xyz token reward initiative, which has led to the proliferation of numerous derivative packages that can compromise the integrity of the npm registry.
Vulnerability Detail
The vulnerability in the many_cattle_z3n package stems from its involvement in a malicious campaign that includes autopublish scripts designed to inflate developer reputation scores. The malicious payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can potentially affect other packages and developers relying on npm for their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall many_cattle_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 many_cattle_z3n package and consider using alternative packages that provide similar functionality without the associated risks. Regularly audit your dependencies to ensure they are secure.
Conclusion
The many_cattle_z3n package poses a significant risk due to its involvement in a malicious npm campaign. It is crucial for developers to remove this package from their projects and to remain vigilant about the security of their dependencies. Regular audits and the use of monitoring tools like Vulert can help maintain the integrity of your software.
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FAQ
The many_cattle_z3n package is an npm package that has been identified as part of a malicious campaign aimed at inflating developer reputation scores through the creation of derivative packages.
This vulnerability can lead to the pollution of the npm registry, potentially affecting other packages and developers. It may also compromise the integrity of your project's dependencies.
If you have installed the many_cattle_z3n package, you should uninstall it immediately using 'npm uninstall many_cattle_z3n' and audit your project's dependencies.
You can use tools like 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.
Yes, consider using other reputable npm packages that provide similar functionalities without the associated risks of malicious behavior.
