Critical Vulnerability in evmlogger: Malicious Code Embedded
Summary
MAL-2025-6017: Malicious code in evmlogger (npm). Affects evmlogger versions 1.0.0 – 1.0.8. No fix is published. How to fix ↓
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Background
The evmlogger package is an npm library designed for logging events in Ethereum-based applications. It provides developers with tools to track and analyze transactions and events on the Ethereum blockchain. However, this package has been found to contain malicious code that compromises the security of any system it is installed on, making it a significant risk for developers and organizations relying on it.
Vulnerability Detail
The vulnerability stems from the presence of embedded malicious code within the evmlogger package. This code can lead to complete compromise of any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of this code poses severe risks, as it can lead to data breaches and unauthorized control over affected systems.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall evmloggerIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, the only effective workaround is to uninstall the evmlogger package. This can be done using the command: 'npm uninstall evmlogger'. However, be aware that simply removing the package may not eliminate all malicious software that could have been installed as a result of its presence.
Conclusion
The evmlogger package contains embedded malicious code that poses a serious security risk to any system it is installed on. Immediate action is required to remove the package and secure any sensitive information. Monitoring tools like Vulert can help keep your applications safe from future vulnerabilities.
See every vulnerability recorded for evmlogger →
FAQ
evmlogger is an npm package used for logging events in Ethereum applications, helping developers track transactions and events on the blockchain.
The malicious code can compromise your system, allowing unauthorized access to sensitive information and potentially leading to data breaches.
Immediately uninstall the evmlogger package and rotate any secrets or keys stored on the affected system.
As of now, there is no patched version available. The best course of action is to remove the package entirely.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file. You can also check your application for vulnerabilities using the Vulert playground without signing up.
