Malicious Code Injection in joko-kue85-ruro Package: npm Vulnerability Overview
Summary
MAL-2025-104605: Malicious code in joko-kue85-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The 'joko-kue85-ruro' package is part of a broader token reward campaign associated with the tea.xyz protocol. It is designed to facilitate the automatic generation and publication of derivative packages on the npm registry. This package, like others in its category, is intended to inflate developer reputation scores through the creation of numerous random package names, often themed around Indonesian culture.
Vulnerability Detail
The vulnerability stems from the malicious code embedded within the 'joko-kue85-ruro' package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names. The malicious payload continuously republishes these variants, leading to pollution of the npm registry and potential exploitation of developers who may unknowingly use these compromised packages. The origin of this vulnerability is linked to the practices of the tea.xyz token reward campaign, which employs such tactics to manipulate the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall joko-kue85-ruro
If 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 remove the 'joko-kue85-ruro' package from your project by executing the command: 'npm uninstall joko-kue85-ruro'. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The 'joko-kue85-ruro' package contains malicious code that poses a significant risk to developers and their projects. It is crucial to take immediate action by uninstalling the package and monitoring for updates. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
It is an npm package involved in a token reward campaign that generates random derivative packages to inflate developer reputation scores.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project by introducing malicious code.
You should uninstall the package immediately and monitor for any updates or patches that address the vulnerability.
Yes, you can use Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
Regularly update your dependencies, utilize tools like Vulert for monitoring vulnerabilities, and review package sources before installation.