Malicious Code Injection in available_tarsier-appteadev Package
Summary
MAL-2025-99679: Malicious code in available_tarsier-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The available_tarsier-appteadev 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 for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the security of applications relying on it.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the available_tarsier-appteadev 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 malicious code continuously republishes these variants to pollute the npm registry, potentially leading to reputation damage for developers and security risks for applications using these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall available_tarsier-appteadev
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 remove the available_tarsier-appteadev package from your project by executing the following command: npm uninstall available_tarsier-appteadev. This will prevent the malicious code from executing while you seek a secure alternative.
Conclusion
The available_tarsier-appteadev package contains malicious code that poses significant risks to applications using it. It is crucial to take immediate action by updating or removing the package and utilizing tools like Vulert to monitor for vulnerabilities in your software.
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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 compromised packages, affecting your application's integrity and security.
You should uninstall the package immediately and monitor for any updates or patches that may address the vulnerability.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
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