Malicious Code Injection in jurss-asdf-as Package: npm Vulnerability Summary
Summary
MAL-2025-157138: Malicious code in jurss-asdf-as (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The jurss-asdf-as package is part of the npm ecosystem, primarily used for JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been linked to a series of malicious packages flooding the npm registry. These packages are designed to manipulate developer reputation scores through automated publishing of derivative packages with randomized names.
Vulnerability Detail
The vulnerability in the jurss-asdf-as package stems from its malicious code that modifies the package.json file to remove private flags and alters version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to significant security risks, including the potential for unauthorized access to sensitive data and the compromise of developer environments.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall jurss-asdf-asIf 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 jurss-asdf-as package and replace it with a secure alternative. Always verify the integrity and reputation of packages before including them in your project.
Conclusion
The jurss-asdf-as package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. It is essential to remove this package and monitor your dependencies for vulnerabilities to maintain a secure development environment.
See every vulnerability recorded for jurss-asdf-as →
FAQ
The jurss-asdf-as package is an npm package associated with a malicious campaign that aims to inflate developer reputation scores through automated publishing.
The vulnerability can lead to unauthorized changes in your project's package.json file, potentially exposing sensitive data and compromising your development environment.
If you have installed the jurss-asdf-as package, you should uninstall it immediately using 'npm uninstall jurss-asdf-as' and review your project for any other potentially malicious packages.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time. You can check if your application is affected by this vulnerability using the Vulert playground at Vulert Scanner.
Yes, there are several automated tools available, including Vulert, that can help monitor and alert you to vulnerabilities in your open-source dependencies without requiring code access.
