Malicious Code Injection in uinsnu-lotimi-knusilu Package
Summary
MAL-2025-169765: Malicious code in uinsnu-lotimi-knusilu (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The uinsnu-lotimi-knusilu package is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages. These packages typically contain scripts designed to manipulate package metadata and inflate developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in the uinsnu-lotimi-knusilu package originates from its association with the tea.xyz token reward campaign. The malicious code 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 compromise the integrity of projects that depend on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall uinsnu-lotimi-knusilu
If 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 avoid using the uinsnu-lotimi-knusilu package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for any unauthorized changes to package.json and package-lock.json files.
Conclusion
The uinsnu-lotimi-knusilu package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial to remove this package from your project and monitor for any unauthorized changes. Utilizing tools like Vulert can help maintain the security of your dependencies.
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FAQ
The uinsnu-lotimi-knusilu package is an npm package that has been identified as part of a malicious campaign to manipulate the npm registry.
This vulnerability can lead to unauthorized changes in your project's dependencies, potentially introducing security risks and instability.
You should uninstall the uinsnu-lotimi-knusilu package immediately and check for any remaining references in your project files.
Yes, you can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.