Malicious Code Injection in samehada-zs-r7 Package
Summary
MAL-2025-165721: Malicious code in samehada-zs-r7 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The samehada-zs-r7 package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is implicated in a broader campaign that exploits npm's publishing capabilities to inflate developer reputation scores through malicious practices. The package is designed to automate the generation and publication of derivative packages, which can lead to significant pollution of the npm registry.
Vulnerability Detail
The vulnerability arises from the presence of malicious code within the samehada-zs-r7 package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, primarily themed around Indonesian culture. The malicious payload continuously republishes these variants, which can lead to a compromised npm registry and potential security risks for developers who unknowingly use these packages. The origin of this issue is linked to a token reward campaign that incentivizes such malicious behavior.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall samehada-zs-r7If 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 samehada-zs-r7 package from your project by executing the following command: npm uninstall samehada-zs-r7. This will prevent any potential exploitation until a fixed version is available.
Conclusion
The samehada-zs-r7 package poses a significant risk due to its malicious code that manipulates the npm registry. It is crucial for developers to remain vigilant, update their packages regularly, and utilize tools like Vulert to monitor for vulnerabilities. Taking proactive measures can help safeguard your projects from potential threats.
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FAQ
The samehada-zs-r7 package is an npm package that has been identified as containing malicious code aimed at manipulating the npm registry.
The malicious code can alter your package.json file, remove private flags, and publish unwanted variants, which can compromise your project's integrity and security.
If you have installed the samehada-zs-r7 package, it is recommended to uninstall it immediately and monitor your project for any unusual behavior.
You can use tools like Vulert, which monitors your package-lock.json file for 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.
