Malicious Code Injection in upa-lukzuli-ilu: A Threat to npm Packages
Summary
MAL-2025-170118: Malicious code in upa-lukzuli-ilu (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'upa-lukzuli-ilu' 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. These packages often contain scripts designed to manipulate package metadata and inflate developer reputation scores, posing a significant risk to the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in 'upa-lukzuli-ilu' originates from its involvement in a malicious campaign that utilizes autopublish scripts to generate and publish derivative packages with randomized names. This manipulation alters the package.json file by removing private flags, changing version numbers, and continuously republishing variants, which can lead to pollution of the npm registry and compromise the security of dependent applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall upa-lukzuli-iluIf 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 lock your dependencies to a specific version that does not include 'upa-lukzuli-ilu'. This can be done by modifying your package.json file to exclude this package and then running 'npm install' to update your node_modules.
Conclusion
The 'upa-lukzuli-ilu' package presents a significant security risk due to its malicious code designed to manipulate npm package metadata. It is essential to remove this package from your projects and utilize tools like Vulert to monitor for vulnerabilities in real-time.
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FAQ
The vulnerability involves malicious code that modifies package metadata and republish variants to inflate developer reputation scores.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Check your application against the vulnerability using the Vulert playground at Vulert Scanner.
You should uninstall the package immediately using 'npm uninstall upa-lukzuli-ilu' and review your dependencies for any other malicious packages.
There are no patches available for 'upa-lukzuli-ilu' as it is recommended to remove the package entirely from your project.
Vulert uses your package-lock.json to monitor and alert you in real-time for open-source vulnerabilities, ensuring your software remains secure.
