Malicious Code Injection in chief_bobcat_z3n: A Threat to npm Ecosystem
Summary
MAL-2025-93530: Malicious code in chief_bobcat_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package chief_bobcat_z3n is part of the npm ecosystem, which is a popular platform for JavaScript libraries and packages. This particular package has been identified as part of a malicious campaign associated with the tea.xyz token reward initiative. Its primary function is to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, this functionality has been compromised, leading to significant security concerns.
Vulnerability Detail
The vulnerability in chief_bobcat_z3n originates from its involvement in a malicious campaign that floods the npm registry with derivative packages. The malicious payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, primarily themed around Indonesian culture. This behavior not only pollutes the npm registry but also poses risks to developers who may unknowingly use these compromised packages, potentially leading to further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall chief_bobcat_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, avoid using the chief_bobcat_z3n package and consider using alternative packages that provide similar functionality without the associated risks. Always verify the integrity and source of packages before installation.
Conclusion
The chief_bobcat_z3n package has been identified as a malicious entity within the npm ecosystem, posing significant risks to developers and their projects. It is essential to take immediate action to remove this package and monitor for any potential vulnerabilities in your dependencies. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
chief_bobcat_z3n is an npm package that has been identified as part of a malicious campaign aimed at inflating developer reputation scores through the automatic generation of derivative packages.
The vulnerability can lead to the pollution of the npm registry and may expose your project to further security risks if compromised packages are inadvertently used.
If you have installed chief_bobcat_z3n, it is recommended to uninstall it immediately using 'npm uninstall chief_bobcat_z3n' and monitor your project for any other affected packages.
You can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time. You can check your application for vulnerabilities using the Vulert playground without any signup.
Yes, consider using other reputable npm packages that offer similar functionalities but do not have known vulnerabilities.
