Malicious Code Injection in mahnud-nofty-mutaf Package
Summary
MAL-2025-159108: Malicious code in mahnud-nofty-mutaf (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mahnud-nofty-mutaf package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from the malicious payload embedded within the mahnud-nofty-mutaf package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which leads to the continuous republishing of these variants. The ramifications include pollution of the npm registry, potential security risks for developers using these packages, and damage to the reputation of legitimate packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mahnud-nofty-mutaf
If 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 the mahnud-nofty-mutaf package by replacing it with a similar package that does not exhibit malicious behavior. Additionally, you can monitor your package dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time.
Conclusion
The mahnud-nofty-mutaf package contains malicious code that poses a significant risk to developers and the integrity of the npm registry. It is crucial to remove this package and monitor your dependencies for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your projects.
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FAQ
mahnud-nofty-mutaf is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, potentially leading to security vulnerabilities and pollution of the npm registry.
You should remove the mahnud-nofty-mutaf package from your project and monitor for any updates or patches.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without needing to sign up.
Vulert is a tool that monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file, providing real-time insights.