Malicious Code Injection in mutdaufs-marimasa-nutatri Package
Summary
MAL-2025-161127: Malicious code in mutdaufs-marimasa-nutatri (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The mutdaufs-marimasa-nutatri package 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 various packages. The primary function of this package is to facilitate the distribution of token rewards, but it has been compromised to include malicious scripts that can affect developers and users alike.
Vulnerability Detail
The vulnerability in the mutdaufs-marimasa-nutatri package stems from its inclusion in a malicious campaign that modifies the package.json file. This modification removes private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. The origin of this vulnerability is linked to a broader scheme aimed at inflating developer reputation scores for token rewards, which can result in a polluted npm registry and potential security risks for users who inadvertently install these malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mutdaufs-marimasa-nutatriIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, you can avoid using the mutdaufs-marimasa-nutatri package and instead look for alternative packages that provide similar functionality without the associated risks. Always verify the integrity and reputation of packages before installation.
Conclusion
The mutdaufs-marimasa-nutatri package has been identified as containing malicious code that poses a significant risk to developers and users. It is crucial to take immediate action by uninstalling the package and monitoring your projects for similar vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for mutdaufs-marimasa-nutatri →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, which has been compromised to include malicious scripts.
The vulnerability can lead to the installation of malicious code that modifies your project files and potentially exposes your application to further security risks.
You should uninstall the package immediately using the command 'npm uninstall mutdaufs-marimasa-nutatri' and check for any other affected packages.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software by analyzing the package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
