Malicious Code Injection in modirai-igo-jaimmagi: A Threat to npm Ecosystem
Summary
MAL-2025-160705: Malicious code in modirai-igo-jaimmagi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'modirai-igo-jaimmagi' is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development of applications by providing reusable code. However, it has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages that inflate developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the 'modirai-igo-jaimmagi' package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names. It continuously republishes these variants, leading to pollution of the npm registry. The ramifications include potential security risks for developers who unknowingly use these compromised packages, as well as damage to the integrity of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall modirai-igo-jaimmagiIf 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 'modirai-igo-jaimmagi' package and consider using alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which analyzes your package-lock.json file to alert you of any open-source vulnerabilities in real-time.
Conclusion
The 'modirai-igo-jaimmagi' package poses a significant threat to the npm ecosystem due to its malicious payload that modifies package files and floods the registry. It is essential for developers to remove this package and monitor their projects for vulnerabilities to maintain security and integrity.
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FAQ
It is an npm package that has been identified as part of a malicious campaign to exploit the npm registry.
The vulnerability can lead to the inclusion of malicious code in your project, compromising its security and integrity.
Uninstall the package immediately using 'npm uninstall modirai-igo-jaimmagi' and monitor for any updates or patches.
Yes, you can use Vulert's playground at Vulert Scanner to check your application for vulnerabilities without needing to sign up.
Vulert is a tool that monitors and alerts for open-source vulnerabilities in your software by analyzing your package-lock.json file.
