Malicious Code Injection in hendra-mendut86-breki Package
Summary
MAL-2025-73389: Malicious code in hendra-mendut86-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The hendra-mendut86-breki package is part of the npm ecosystem, primarily used for JavaScript applications. It has been identified as a component of a malicious campaign that floods the npm registry with derivative packages. This package is designed to manipulate developer reputation scores through automated publishing scripts, which can lead to significant security risks for users relying on it.
Vulnerability Detail
The vulnerability originates from the hendra-mendut86-breki package, which contains malicious code that modifies the package.json file by removing private flags and altering version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to the npm registry. This behavior not only pollutes the registry but also poses risks such as unauthorized access to sensitive data and potential exploitation of affected applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall hendra-mendut86-brekiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can prevent the installation of the hendra-mendut86-breki package by adding it to your project's .npmrc file with the following line: 'package-lock=false'. This will help avoid any accidental installations until the issue is resolved.
Conclusion
The hendra-mendut86-breki package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. Users should take immediate action to remove this package and monitor their dependencies for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
It is an npm package that has been identified as part of a malicious campaign to inflate developer reputation scores through automated publishing.
The vulnerability can lead to unauthorized modifications in your package.json file, potentially exposing your application to security risks and instability.
You should remove the hendra-mendut86-breki package from your project immediately and monitor for any updates or patches.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
