Malicious Code Injection in npm Package: lisa-jamblang16-remi
Summary
MAL-2025-105218: Malicious code in lisa-jamblang16-remi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'lisa-jamblang16-remi' is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. It is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. This package is particularly vulnerable due to its inclusion of scripts that modify package metadata and republish malicious variants.
Vulnerability Detail
The vulnerability in 'lisa-jamblang16-remi' originates from malicious code that alters the package.json file by removing private flags and changing version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to the npm registry. This behavior can lead to pollution of the npm registry and potential security risks for developers who unknowingly use these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lisa-jamblang16-remi
If 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 'lisa-jamblang16-remi' package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The 'lisa-jamblang16-remi' package poses significant security risks due to its malicious code that alters package metadata and republish variants. It is crucial for developers to remove this package and monitor their projects for vulnerabilities. Utilizing tools like Vulert can enhance security by providing real-time alerts for open-source vulnerabilities.
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FAQ
The main issue is that it contains malicious code that modifies package metadata and republished variants to the npm registry, which can lead to security vulnerabilities.
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If you have installed the 'lisa-jamblang16-remi' package, you should remove it immediately and monitor your project for any unauthorized changes.
Yes, it is advisable to look for alternative npm packages that provide similar functionalities without the associated risks of malicious code.
Vulert monitors and alerts in real-time for open-source vulnerabilities in your software using just the package-lock.json file, making it easy to stay informed about potential risks.