Malicious Code Injection in gasmbut: A Threat to npm Packages
Summary
MAL-2025-97839: Malicious code in gasmbut (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The gasmbut package is part of the npm ecosystem, which is widely used for JavaScript package management. It is designed to facilitate the development and distribution of JavaScript libraries and applications. However, gasmbut has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages that can harm developers' reputations and the integrity of the ecosystem.
Vulnerability Detail
The vulnerability in gasmbut stems from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is intended to inflate developer reputation scores for token rewards associated with the tea protocol. The continuous republishing of these variants pollutes the npm registry, potentially leading to security risks for developers who unknowingly use these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall gasmbutIf 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 gasmbut package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your project for any unintended dependencies that may include gasmbut.
Conclusion
The gasmbut package poses a significant security risk due to its malicious code injection aimed at manipulating the npm registry. It is essential for developers to be vigilant and remove any instances of this package from their projects. Utilizing tools like Vulert can help in monitoring and identifying vulnerabilities in real-time.
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FAQ
Gasmbut is an npm package that has been identified as part of a malicious campaign aimed at flooding the npm registry with compromised packages.
The vulnerability can lead to the inclusion of malicious code in your project, potentially compromising its security and integrity.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without any signup.
If you have installed gasmbut, you should uninstall it immediately using 'npm uninstall gasmbut' and check for any other affected packages.
Yes, consider looking for other npm packages that provide similar functionality without the associated risks of malicious behavior.
