Malicious Code Vulnerability in greasy_koi-appteadev Package
Summary
MAL-2025-103364: Malicious code in greasy_koi-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The greasy_koi-appteadev package is part of the npm ecosystem, typically used for applications that may involve token reward campaigns. This package has been identified as part of a larger scheme that floods the npm registry with malicious packages designed to inflate developer reputation scores through automated publishing scripts. The vulnerability arises from the package's malicious payload, which alters critical files and repackages them with deceptive names.
Vulnerability Detail
The vulnerability in greasy_koi-appteadev originates from its association with the tea.xyz token reward campaign. The package contains scripts that automatically modify the package.json file by removing private flags, changing version numbers, and generating random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially compromising the integrity of applications that depend on it. The malicious nature of this package can result in unauthorized access to sensitive data and a loss of trust in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall greasy_koi-appteadevIf 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 greasy_koi-appteadev package and look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your dependencies using tools like npm audit to identify and mitigate vulnerabilities.
Conclusion
The greasy_koi-appteadev package poses a significant security risk due to its malicious code that alters package files and floods the npm registry. It is crucial to remove this package from your projects and monitor your dependencies for vulnerabilities to maintain the integrity of your applications.
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FAQ
It is an npm package that has been identified as malicious, designed to inflate developer reputation scores through automated publishing.
The vulnerability can lead to unauthorized modifications of your package files and potentially compromise your application's integrity.
You should uninstall the greasy_koi-appteadev package immediately and check for any other affected packages in your project.
You can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without any signup.
