Critical Malicious Code Vulnerability in @ensdomains/eth-ens-namehash Package
Summary
MAL-2025-190667: Malicious code in @ensdomains/eth-ens-namehash (npm). Affects @ensdomains/eth-ens-namehash versions 2.0.16. No fix is published. How to fix ↓
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Background
The @ensdomains/eth-ens-namehash package is a JavaScript library used in the Ethereum Name Service (ENS) ecosystem for hashing ENS names. It is commonly utilized in decentralized applications to facilitate the resolution of human-readable names to Ethereum addresses. However, this package has been compromised, leading to severe security risks for any system that has it installed.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the @ensdomains/eth-ens-namehash package, specifically version 2.0.16. This code can fully compromise any computer running the package, allowing unauthorized access to sensitive information such as secrets and keys. The origin of this malicious code has been traced back to a malicious actor, and it poses a significant threat to users and systems relying on this package for secure operations.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @ensdomains/eth-ens-namehashIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, there are no effective workarounds to mitigate the risks associated with this vulnerability other than removing the package entirely and securing your environment.
Conclusion
The @ensdomains/eth-ens-namehash package has been identified as containing malicious code that poses a severe risk to any system using it. Immediate action is required to remove the package and secure any sensitive information. Users are encouraged to utilize tools like Vulert to monitor for vulnerabilities in their applications.
See every vulnerability recorded for @ensdomains/eth-ens-namehash →
FAQ
You should immediately uninstall the package and rotate any sensitive information stored on your system.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
No, there is currently no patched version available for this package. The only solution is to remove it.
Failure to address this vulnerability can lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.
After removing the package, ensure that you rotate all secrets and keys and monitor your system for any unusual activity.
