Malicious Code Injection in labour_antlion_z3n: npm Package Vulnerability
Summary
MAL-2025-87651: Malicious code in labour_antlion_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The labour_antlion_z3n package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. The primary function of this package is to serve as a tool for developers, but it has been compromised to include harmful scripts that manipulate package metadata.
Vulnerability Detail
This vulnerability originates from the malicious code embedded within the labour_antlion_z3n package. The code is designed to automatically modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior not only inflates developer reputation scores for token rewards but also leads to pollution of the npm registry with numerous derivative packages. The ramifications include potential security risks for developers who unknowingly install these compromised packages, as they may inadvertently expose their applications to further vulnerabilities.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall labour_antlion_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 labour_antlion_z3n package until a secure version is released. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The labour_antlion_z3n package has been identified as containing malicious code that poses significant risks to developers and their applications. It is essential to remove this package and stay vigilant about the security of your dependencies. Utilizing tools like Vulert can help you monitor for vulnerabilities in real-time, ensuring the safety of your software.
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FAQ
labour_antlion_z3n is an npm package that has been compromised to include malicious code aimed at manipulating package metadata and inflating developer reputation scores.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By analyzing your package-lock.json file, Vulert can help you determine if your application is affected by this vulnerability.
If you have installed the labour_antlion_z3n package, it is recommended to uninstall it immediately using the command npm uninstall labour_antlion_z3n.
Yes, consider using other reputable npm packages that offer similar functionalities without the associated risks of malicious code.
Regularly check for updates in your npm packages and utilize tools like Vulert to monitor your dependencies for any vulnerabilities.
