Malicious Code Injection in wati-mendut95-ruro: A Threat to npm Ecosystem
Summary
MAL-2025-110702: Malicious code in wati-mendut95-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package wati-mendut95-ruro is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. These packages often contain scripts designed to manipulate package metadata and inflate developer reputation scores, posing a significant risk to developers and users relying on npm packages.
Vulnerability Detail
The vulnerability in wati-mendut95-ruro is rooted in its malicious code that modifies the package.json file to remove private flags and alters version numbers. It generates random package names, particularly with Indonesian themes, and continuously republishes these variants to pollute the npm registry. This behavior can lead to security risks, including the potential for unauthorized access to sensitive data and the compromise of development environments.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall wati-mendut95-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 wati-mendut95-ruro package from your project by executing: npm uninstall wati-mendut95-ruro. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The wati-mendut95-ruro package poses a significant security risk due to its malicious code that alters package metadata and repopulates the npm registry with harmful variants. It is crucial for developers to stay vigilant, update their dependencies, and utilize tools like Vulert to monitor for vulnerabilities.
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FAQ
wati-mendut95-ruro is an npm package that has been identified as containing malicious code aimed at manipulating package metadata.
The vulnerability can lead to unauthorized changes in your project's dependencies, potentially compromising your application's security and integrity.
If you have installed wati-mendut95-ruro, you should uninstall it immediately and monitor your project for any unusual behavior.
Yes, you can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.