Malicious Code Injection in puny_finch-teagooddev Package
Summary
MAL-2025-107423: Malicious code in puny_finch-teagooddev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The puny_finch-teagooddev package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. Its functionality is compromised due to the presence of malicious code that alters critical package metadata.
Vulnerability Detail
The vulnerability in the puny_finch-teagooddev package originates from its association with a malicious campaign that floods the npm registry with derivative packages. The malicious payload modifies the package.json file by removing private flags, changing version numbers, and generating random package names, leading to pollution of the npm registry. This can result in compromised developer reputations and potential security risks for applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall puny_finch-teagooddev
If 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 puny_finch-teagooddev package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project dependencies using tools like Vulert, which alerts you to open-source vulnerabilities in real-time.
Conclusion
The puny_finch-teagooddev package contains malicious code that poses significant risks to applications using it. It is crucial to remove this package and monitor your dependencies for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your projects.
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FAQ
The puny_finch-teagooddev package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your application by introducing malicious code.
You should uninstall the puny_finch-teagooddev package immediately and check for any alternative packages that do not pose security risks.
You can use Vulert to monitor your project for open-source vulnerabilities in real-time 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 requiring any signup.