Malicious Code Injection in misty_mule-teagooddev Package
Summary
MAL-2025-105902: Malicious code in misty_mule-teagooddev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The misty_mule-teagooddev package is part of the tea.xyz token reward campaign, which has been known to flood the npm ecosystem with various packages. These packages are designed to inflate developer reputation scores through automated publishing scripts. The malicious nature of this package lies in its ability to modify essential files and continuously republish variants, leading to potential registry pollution.
Vulnerability Detail
The vulnerability originates from the presence of malicious code within the misty_mule-teagooddev package. This code is designed to alter the package.json file by removing private flags and changing version numbers. Additionally, it generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to the npm registry. This behavior can lead to a significant pollution of the npm ecosystem, making it difficult for developers to find legitimate packages and potentially compromising the integrity of their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall misty_mule-teagooddevIf 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 misty_mule-teagooddev package and look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly monitor your package-lock.json file for any unauthorized changes.
Conclusion
The misty_mule-teagooddev package poses a significant risk due to its malicious code that alters package files and republish variants, leading to npm registry pollution. It is crucial to remove this package from your project and monitor for any unauthorized changes to maintain the integrity of your application.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, known for its malicious behavior.
The vulnerability can lead to the pollution of the npm registry, making it difficult to find legitimate packages and potentially compromising your application's integrity.
You should uninstall the package immediately using npm uninstall misty_mule-teagooddev and monitor your application for any unauthorized changes.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
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