Malicious Code Injection in erwin-gulai99-pore: A Threat to npm Users
Summary
MAL-2025-97766: Malicious code in erwin-gulai99-pore (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'erwin-gulai99-pore' is part of the npm ecosystem, which is widely used for managing JavaScript packages. This package has been identified as part of a malicious campaign that aims to exploit the npm registry by flooding it with derivative packages. The malicious nature of this package lies in its ability to modify critical files and republish itself under various names, thereby compromising the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in 'erwin-gulai99-pore' originates from its association with the tea.xyz token reward campaign. This package contains scripts designed to automatically generate and publish derivative packages with randomized names. The malicious payload modifies the package.json file to remove private flags, alters version numbers, and continuously republishes variants, which can lead to reputation inflation for malicious actors and pollution of the npm registry. This not only affects developers who rely on npm for legitimate packages but also poses a risk of dependency confusion and potential exploitation of applications using these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall erwin-gulai99-poreIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the 'erwin-gulai99-pore' package and any packages that depend on it. Regularly audit your dependencies using tools like npm audit to identify and mitigate risks associated with malicious packages.
Conclusion
The 'erwin-gulai99-pore' package poses a significant risk to npm users due to its malicious nature and ability to pollute the npm registry. It is crucial to take immediate action by removing this package and monitoring your dependencies for any vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
It is an npm package identified as part of a malicious campaign that modifies and republishes itself under various names.
The vulnerability can lead to the inclusion of malicious code in your application, potentially compromising its security and integrity.
You should uninstall the package immediately and audit your project for any dependencies that may have been affected.
You can use tools like npm audit or services like Vulert, which monitors your package-lock.json for vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
