Malicious Code Injection in mand-nomi-munu: A Threat to npm Users
Summary
MAL-2025-159600: Malicious code in mand-nomi-munu (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'mand-nomi-munu' is part of the npm ecosystem, which is widely used for JavaScript package management. This package 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. The malicious nature of this package compromises the integrity of the npm registry and poses risks to developers who may unknowingly use it.
Vulnerability Detail
The vulnerability in 'mand-nomi-munu' originates from its association with the tea.xyz token reward campaign. It contains scripts designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names. This results in the continuous republishing of variants that pollute the npm registry, potentially leading to security risks for users who install these packages. The malicious payload can compromise the integrity of applications relying on affected packages, leading to potential data breaches or unauthorized access.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mand-nomi-munuIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can temporarily avoid using 'mand-nomi-munu' by removing it from your dependencies. If you need similar functionality, consider using alternative packages that are verified and do not have known vulnerabilities.
Conclusion
The 'mand-nomi-munu' package poses a significant threat due to its malicious code designed to manipulate npm packages. Developers are urged to remove this package and monitor their dependencies for vulnerabilities. Utilizing tools like Vulert can enhance security by providing real-time alerts for open-source vulnerabilities.
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FAQ
The vulnerability involves malicious code that modifies package.json files and republish variants to pollute the npm registry.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
You should remove the package from your project and look for alternatives. If a patched version is available, update it using npm update mand-nomi-munu.
Yes, using unverified or malicious npm packages can lead to security vulnerabilities, data breaches, and compromised application integrity.
Vulert monitors your package-lock.json file to alert you in real-time about open-source vulnerabilities, helping you maintain the security of your applications.
