Malicious Code Injection in modirai-igno-jaimmagi: A Threat to npm Ecosystem
Summary
MAL-2025-160663: Malicious code in modirai-igno-jaimmagi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
modirai-igno-jaimmagi is an npm package that has been identified as part of a malicious campaign targeting the npm ecosystem. This package is associated with the tea.xyz token reward initiative, which aims to inflate developer reputation scores by flooding the npm registry with derivative packages. The malicious nature of this package lies in its ability to modify critical files and republish variants, thereby polluting the registry.
Vulnerability Detail
The vulnerability in modirai-igno-jaimmagi originates from its design to execute autopublish scripts that manipulate the package.json file. This manipulation includes removing private flags, altering version numbers, and generating random package names, which can lead to a significant increase in the number of malicious packages in the npm registry. The ramifications of this vulnerability include potential security risks for developers who unknowingly integrate these packages into their projects, as well as a degradation of the npm ecosystem's integrity.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall modirai-igno-jaimmagiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, consider using a package auditing tool to scan your project for vulnerabilities. You can use npm audit to identify and address any security issues in your dependencies. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The modirai-igno-jaimmagi package poses a significant threat to the npm ecosystem due to its malicious code that modifies package files and repopulates the registry with harmful variants. It is crucial for developers to be vigilant and take immediate action to remove this package and monitor their dependencies for vulnerabilities.
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FAQ
modirai-igno-jaimmagi is an npm package involved in a malicious campaign that aims to inflate developer reputation scores by flooding the npm registry with derivative packages.
The vulnerability can lead to the introduction of malicious code into your project, potentially compromising its security and integrity.
You should uninstall the package immediately and check your project for any unauthorized changes made by the malicious scripts.
Yes, you can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
