Malicious Code Injection in mutdaufs-nabutafidayfa-butysd Package
Summary
MAL-2025-161144: Malicious code in mutdaufs-nabutafidayfa-butysd (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-nabutafidayfa-butysd 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, which can inflate developer reputation scores. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the mutdaufs-nabutafidayfa-butysd package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names, primarily themed around Indonesian culture. The package continuously republishes these variants, leading to pollution of the npm registry and potential exploitation by attackers. The ramifications include loss of control over package integrity and possible security risks for applications relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mutdaufs-nabutafidayfa-butysd
If 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 prevent the installation of this malicious package by using npm's package-lock.json to monitor dependencies. Ensure that your project does not include this package by checking your package.json and removing any references to it.
Conclusion
The mutdaufs-nabutafidayfa-butysd package contains malicious code that poses a significant risk to applications using it. Immediate action is required to uninstall the package and prevent further exploitation. Utilizing tools like Vulert can help monitor for vulnerabilities in real-time.
See every vulnerability recorded for mutdaufs-nabutafidayfa-butysd →
FAQ
It 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 and can lead to the publication of unauthorized packages, compromising your application's integrity.
You can use Vulert, which monitors vulnerabilities in your package-lock.json. Visit Vulert Scanner to check your application without any signup.
You should uninstall the package immediately using the command 'npm uninstall mutdaufs-nabutafidayfa-butysd' and check for any other affected dependencies.
Currently, there is no patched version available. It is recommended to monitor the package for updates and remove it from your project.