Malicious Code Injection in irma-tek91-ruro Package - npm Vulnerability
Summary
MAL-2025-104418: Malicious code in irma-tek91-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The irma-tek91-ruro package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is suspected to be involved in a token reward campaign that has led to the proliferation of malicious packages. Its functionality is compromised, as it is designed to manipulate package metadata and publish numerous derivative packages, ultimately affecting the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious code embedded within the irma-tek91-ruro package. This code is part of a broader scheme that aims to inflate developer reputation scores through the automatic generation and publication of derivative packages with randomized names. The malicious payload modifies the package.json file by removing private flags, altering version numbers, and continuously republishing variants, which pollutes the npm registry and can lead to security risks for developers relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall irma-tek91-ruroIf 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 irma-tek91-ruro package and monitor your project for any dependencies that may have been affected by this malicious code. Regularly check your package-lock.json file for any unauthorized changes.
Conclusion
The irma-tek91-ruro package poses a significant security risk due to its malicious code designed to manipulate package metadata and publish unauthorized derivatives. It is crucial for developers to remove this package and monitor their projects for any vulnerabilities to maintain the integrity of their applications.
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FAQ
The irma-tek91-ruro package is an npm package that has been identified as containing malicious code designed to manipulate package metadata.
This vulnerability can lead to the pollution of the npm registry and may compromise the security and integrity of your project by introducing unauthorized packages.
If you have installed the irma-tek91-ruro package, you should uninstall it immediately and check for any other affected packages in your project.
Yes, you can use Vulert to monitor and alert you in real-time for open-source vulnerabilities in your software. You can check your application for vulnerabilities using the Vulert playground without any signup.
Regularly audit your dependencies, use tools like Vulert for monitoring, and stay updated on security advisories related to the packages you use.
