Malicious Code Injection in polymedr-minda-buipenajaran: A Threat to npm Packages
Summary
MAL-2025-164416: Malicious code in polymedr-minda-buipenajaran (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'polymedr-minda-buipenajaran' is part of a broader campaign targeting the npm ecosystem, specifically linked to the tea.xyz token reward initiative. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores. Its functionality is compromised by malicious scripts that alter package metadata and publish harmful variants to the npm registry.
Vulnerability Detail
The vulnerability in 'polymedr-minda-buipenajaran' stems from its inclusion in a malicious campaign that utilizes scripts to modify the package.json file. This modification removes private flags, alters version numbers, and generates random package names, leading to the pollution of the npm registry. The potential ramifications include the proliferation of malicious packages that can mislead developers and compromise the integrity of the npm ecosystem. The technical aspects involve the use of autopublish scripts (auto.js, autopublish.js, etc.) that automate these harmful actions.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall polymedr-minda-buipenajaranIf 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 this malicious package by using npm's package-lock.json to monitor dependencies. Additionally, consider using tools like Vulert to check for vulnerabilities in your project without needing to access the code directly.
Conclusion
The 'polymedr-minda-buipenajaran' package poses a significant threat due to its malicious code that alters package metadata and publishes harmful variants. It is essential to take immediate action by uninstalling the package and monitoring your project for vulnerabilities using tools like Vulert.
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FAQ
The vulnerability involves malicious code that modifies package metadata and publishes harmful variants to the npm registry.
You can use Vulert to monitor your package-lock.json for vulnerabilities in real-time without requiring code access.
Uninstall the package using 'npm uninstall polymedr-minda-buipenajaran' and check for any updates or patches.
Yes, tools like Vulert can help monitor and alert you to open-source vulnerabilities in your software.
Leaving this vulnerability unaddressed can lead to the proliferation of malicious packages, compromising the integrity of your project and potentially exposing sensitive data.
