Malicious Code Injection in entitled_herring-appteadev Package
Summary
MAL-2025-102132: Malicious code in entitled_herring-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The entitled_herring-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 are often used to inflate developer reputation scores for token rewards. The package is characterized by its use of scripts that automate the publishing process, making it susceptible to malicious exploitation.
Vulnerability Detail
The vulnerability in the entitled_herring-appteadev package stems from its malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, which can lead to the pollution of the npm registry. The origin of this vulnerability is linked to a broader campaign that aims to exploit npm's publishing mechanisms, potentially compromising the integrity of the registry and affecting developers relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall entitled_herring-appteadevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can monitor your project's dependencies using tools like Vulert, which analyzes your package-lock.json file to detect vulnerabilities in real-time. You can access the Vulert playground at https://vulert.com/scanner to check if your application is affected by this vulnerability without requiring any signup.
Conclusion
The entitled_herring-appteadev package poses a significant risk due to its malicious code that alters package configurations and pollutes the npm registry. It is crucial for developers to remove this package and monitor their dependencies for vulnerabilities to maintain the integrity and security of their projects.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation and publication of derivative packages.
The vulnerability allows malicious code to modify your package.json file, potentially compromising your project's integrity and affecting the npm registry.
You should uninstall the entitled_herring-appteadev package immediately and check for any dependencies that may rely on it.
Yes, you can use Vulert to monitor your package-lock.json file for vulnerabilities in real-time.
Regularly update your dependencies, monitor for vulnerabilities, and replace any compromised packages with secure alternatives.
