Malicious Code Injection in yuni-mie63-riris Package
Summary
MAL-2025-92720: Malicious code in yuni-mie63-riris (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The yuni-mie63-riris package is part of the npm ecosystem, often utilized in JavaScript projects for various functionalities. However, it has been identified as part of a malicious campaign that aims to inflate developer reputation scores through the creation of numerous derivative packages. This package is particularly vulnerable due to its association with scripts designed to manipulate package metadata and publish unauthorized versions.
Vulnerability Detail
The vulnerability stems from the inclusion of malicious code within the yuni-mie63-riris package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which leads to the continuous republishing of these variants on the npm registry. The origin of this issue is linked to a broader campaign targeting npm packages to exploit the system for token rewards, posing significant risks such as reputation damage for developers and potential security threats for users of the affected packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall yuni-mie63-ririsIf 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 remove the yuni-mie63-riris package from your project by executing the following command: npm uninstall yuni-mie63-riris. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The yuni-mie63-riris package poses a significant risk due to its malicious code that alters package metadata and republishing behavior. It is essential to take immediate action by updating or removing the package to safeguard your project from potential threats.
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FAQ
The yuni-mie63-riris package is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores.
The malicious code modifies your package.json file, potentially leading to unauthorized package republishing and security vulnerabilities.
You should uninstall the package immediately and check for any updates or patches that may address the vulnerability.
Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time using just your package-lock.json file.
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