Malicious Code Injection in mans-man-nuts Package: A Threat to npm Users
Summary
MAL-2025-159664: Malicious code in mans-man-nuts (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The 'mans-man-nuts' package 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 originates from the 'mans-man-nuts' package being associated with the tea.xyz token reward campaign. It contains scripts that modify the package.json file to remove private flags, change version numbers, and generate random package names. This leads to the continuous republishing of variants, polluting the npm registry and potentially compromising the security of applications that depend on these packages. The malicious payload can affect the reputation of developers and the reliability of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mans-man-nutsIf 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 avoid using the 'mans-man-nuts' package and replace it with a reputable alternative. Always verify the integrity of packages before including them in your project.
Conclusion
The 'mans-man-nuts' package poses a significant threat to the npm ecosystem due to its malicious intent to manipulate package publication and developer reputation. It is essential for developers to remain vigilant, regularly update their dependencies, and utilize tools like Vulert to monitor for vulnerabilities.
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FAQ
The 'mans-man-nuts' package is an npm package identified as part of a malicious campaign that generates and publishes derivative packages to inflate developer reputation scores.
The vulnerability can lead to the pollution of the npm registry, potentially compromising the security and integrity of your project if you inadvertently use affected packages.
You should uninstall the 'mans-man-nuts' package immediately using the command 'npm uninstall mans-man-nuts' to mitigate any risks.
You can use tools like Vulert, which monitors and alerts for open-source vulnerabilities in your software by analyzing your package-lock.json file.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
