Malicious Code Injection in jurss-apsas-a1s Package: A Threat to npm Ecosystem
Summary
MAL-2025-157135: Malicious code in jurss-apsas-a1s (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The jurss-apsas-a1s package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development and deployment of applications by providing reusable code. However, it has been identified as part of a malicious campaign that exploits npm's publishing capabilities, leading to significant security risks for developers and their applications.
Vulnerability Detail
The vulnerability in the jurss-apsas-a1s package originates from its involvement in the tea.xyz token reward campaign. This package contains malicious scripts that automatically modify the package.json file to remove private flags, alter version numbers, and generate random package names. The scripts continuously republish these variants, polluting the npm registry and potentially compromising the integrity of other packages. This behavior can lead to unauthorized access, data breaches, and a loss of trust in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall jurss-apsas-a1sIf 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 prevent the installation of the jurss-apsas-a1s package by adding it to your project's .npmrc file with the following line: package-lock=false. This will help avoid automatic installations of this malicious package until a fix is implemented.
Conclusion
The jurss-apsas-a1s package poses a significant threat to the npm ecosystem due to its malicious behavior. Developers should take immediate action to remove this package and monitor their applications for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your projects.
See every vulnerability recorded for jurss-apsas-a1s →
FAQ
The jurss-apsas-a1s package is an npm package that has been identified as part of a malicious campaign aimed at manipulating the npm registry.
This vulnerability can lead to unauthorized modifications of your package.json file, potentially compromising your application's security and integrity.
If you have installed the jurss-apsas-a1s package, you should uninstall it immediately using the command npm uninstall jurss-apsas-a1s.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
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Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
