Malicious Code Vulnerability in nchain-clone Package
Summary
MAL-2026-1795: Malicious code in nchain-clone (npm). Affects nchain-clone versions 3.3.5. No fix is published. How to fix ↓
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Background
The nchain-clone package is a JavaScript library available through npm, primarily used for blockchain-related functionalities. It allows developers to interact with various blockchain networks and implement smart contracts. However, this package has been identified to contain malicious code that can compromise the security of applications utilizing it.
Vulnerability Detail
The vulnerability in the nchain-clone package arises from the inclusion of malicious code that can execute unauthorized actions within the user's environment. This issue is traced back to version 3.3.5 of the package, which was flagged by security researchers at ReversingLabs. The ramifications of this vulnerability include potential data breaches, unauthorized access to sensitive information, and the possibility of the affected application being used as a vector for further attacks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nchain-cloneIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can remove the nchain-clone package from your project until a secure version is released. You can do this by running the command: 'npm uninstall nchain-clone'. This will prevent any malicious code from executing in your application.
Conclusion
The nchain-clone package has been identified to contain malicious code, posing significant security risks to applications using it. It is crucial to update to a secure version or remove the package until a fix is available. Utilizing tools like Vulert can help monitor your applications for vulnerabilities effectively.
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FAQ
nchain-clone is a JavaScript library used for interacting with blockchain networks and implementing smart contracts.
The vulnerability was discovered by security researchers at ReversingLabs, who identified malicious code in version 3.3.5 of the package.
The risks include unauthorized access to sensitive data, potential data breaches, and the use of the affected application as a launchpad for further attacks.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
If immediate updates are not possible, consider removing the package from your project as a temporary measure to mitigate risks.
