Malicious Code Injection in lina-mangut5-ruro Package
Summary
MAL-2025-105168: Malicious code in lina-mangut5-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The lina-mangut5-ruro package 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 inflate developer reputation scores through the automatic generation and publication of derivative packages.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the lina-mangut5-ruro package. This payload modifies the package.json file by removing private flags and altering version numbers. It also generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. The ramifications include potential security risks for developers who inadvertently 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 lina-mangut5-ruroIf 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 lina-mangut5-ruro package and look for alternative packages that provide similar functionality without the associated risks. Always verify the integrity and reputation of packages before including them in your project.
Conclusion
The lina-mangut5-ruro package has been identified as containing malicious code that poses a significant risk to developers using npm. It is crucial to remove this package and monitor your dependencies for vulnerabilities to maintain the security of your applications.
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FAQ
lina-mangut5-ruro is an npm package that has been identified as part of a malicious campaign aimed at inflating developer reputation scores.
The malicious code modifies your package.json file and can lead to the installation of compromised packages, potentially introducing security vulnerabilities.
You should uninstall the lina-mangut5-ruro package immediately using the command npm uninstall lina-mangut5-ruro.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
