Critical Malicious Code Vulnerability in unadapter Package
Summary
MAL-2025-191439: Malicious code in unadapter (npm). Affects unadapter versions 0.1.3. No fix is published. How to fix ↓
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Background
The unadapter package is an npm library designed for various utility functions in JavaScript applications. It is widely used for its simplicity and effectiveness in adapting data structures. However, it has recently been compromised, leading to severe security vulnerabilities that can affect any system using this package.
Vulnerability Detail
The vulnerability originates from a malicious code injection in version 0.1.3 of the unadapter package, linked to the Sha1-Hulud: The Second Coming NPM worm. This worm is designed to steal tokens and credentials, publishing them to GitHub, and can propagate itself to other npm packages owned by the user. The malicious payload may also destroy the user's home directory, leading to a complete compromise of the affected system.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall unadapterIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, users should consider isolating their development environments and using containerization to prevent the spread of malicious code. Additionally, monitoring tools like Vulert can be employed to track vulnerabilities in real-time. You can check if your application is affected by this vulnerability using the Vulert playground at https://vulert.com/scanner without any signup.
Conclusion
The unadapter package has been compromised, leading to a critical vulnerability that can severely impact systems using it. Immediate action is required to remove the package and secure any exposed credentials. Utilizing monitoring tools like Vulert can help in identifying and managing such vulnerabilities in the future.
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FAQ
The unadapter package is an npm library used for utility functions in JavaScript applications, allowing developers to easily adapt data structures.
The malicious code can steal sensitive tokens and credentials, publish them to GitHub, and potentially destroy your home directory, leading to a complete system compromise.
You should immediately remove the unadapter package and rotate all secrets and keys stored on your system from a secure environment.
Yes, you can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities without any signup.
