Malicious Code Injection in bayu-lengko75-pore Package
Summary
MAL-2025-97611: Malicious code in bayu-lengko75-pore (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The bayu-lengko75-pore package is part of the npm ecosystem, primarily used for JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with numerous packages. This package, like others in the campaign, is designed to manipulate developer reputation scores by automatically generating and publishing derivative packages.
Vulnerability Detail
This vulnerability originates from the malicious intent behind the bayu-lengko75-pore package, which contains scripts that modify the package.json file to remove private flags, alter version numbers, and create random package names. The scripts continuously republish these variants, leading to pollution of the npm registry and potential exploitation of developers who unknowingly use these packages. The ramifications include compromised package integrity and potential security risks for applications relying on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall bayu-lengko75-poreIf 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 bayu-lengko75-pore package and consider using alternative packages that provide similar functionality without the associated risks. Regularly monitor your dependencies for any malicious packages.
Conclusion
The bayu-lengko75-pore package poses a significant security risk due to its malicious code designed to manipulate npm registry integrity. It is crucial to remove this package from your projects and monitor your dependencies for similar threats.
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FAQ
The bayu-lengko75-pore package is an npm package associated with a token reward campaign that generates and publishes derivative packages to inflate developer reputation scores.
The vulnerability can lead to compromised package integrity, allowing malicious code to be executed within your application, potentially exposing it to security risks.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.
Immediately uninstall the bayu-lengko75-pore package and review your package-lock.json file for any references to it. Replace it with a safer alternative.
Regularly audit your dependencies, use tools like Vulert for monitoring, and stay informed about known vulnerabilities in the packages you use.
