Malicious Code Injection in jurss-gasd-13as Package: npm Vulnerability Summary
Summary
MAL-2025-157175: Malicious code in jurss-gasd-13as (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The jurss-gasd-13as package is part of a series of malicious packages that emerged during the tea.xyz token reward campaign. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. The malicious nature of this package lies in its ability to modify the package.json file, removing private flags and altering version numbers, which can lead to significant security risks in the npm ecosystem.
Vulnerability Detail
The vulnerability in the jurss-gasd-13as package originates from its design to execute autopublish scripts that generate and publish numerous derivative packages. This behavior not only pollutes the npm registry but also compromises the integrity of the developer's project by modifying critical files like package.json. The ramifications include potential exposure to further malicious code, loss of control over package versions, and damage to the developer's reputation. The technical aspects involve the removal of private flags and the generation of random package names, which can confuse dependency management.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall jurss-gasd-13asIf 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 execution of the autopublish scripts by setting stricter permissions on your npm environment or using a package manager that allows for more controlled installations. Additionally, you can monitor your dependencies using tools like Vulert to receive real-time alerts for any open-source vulnerabilities.
Conclusion
The jurss-gasd-13as package poses a significant risk due to its malicious code that modifies essential project files and publishes derivative packages. It is crucial for developers to remove this package and monitor their dependencies to maintain the integrity of their projects.
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FAQ
The jurss-gasd-13as package is a malicious npm package that is part of a campaign to inflate developer reputation scores by generating and publishing numerous derivative packages.
This vulnerability can compromise your project's integrity by modifying critical files and potentially exposing your project to further malicious code.
You should uninstall the jurss-gasd-13as package immediately and check your package.json and package-lock.json files for any references to it.
Yes, you can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
