Malicious Code Injection in zul-buburayam73-breki: npm Package Vulnerability
Summary
MAL-2025-76610: Malicious code in zul-buburayam73-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The zul-buburayam73-breki package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises its integrity and security.
Vulnerability Detail
The vulnerability originates from the malicious code embedded in the zul-buburayam73-breki package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, potentially leading to further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall zul-buburayam73-brekiIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, avoid using the zul-buburayam73-breki package and consider using alternative packages that provide similar functionality without the associated risks. Additionally, regularly monitor your dependencies for any updates or vulnerabilities.
Conclusion
The zul-buburayam73-breki package contains malicious code that poses significant risks to developers and their projects. It is crucial to remove this package and monitor your dependencies for vulnerabilities to maintain the security and integrity of your applications.
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FAQ
The zul-buburayam73-breki package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, removes private flags, and generates random package names, which can lead to security vulnerabilities and pollution of the npm registry.
You should uninstall the zul-buburayam73-breki package immediately using the command: npm uninstall zul-buburayam73-breki.
Yes, tools like Vulert can monitor your package-lock.json file to alert you in real-time for open-source vulnerabilities without requiring code access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
