Malicious Code Injection in nokire-kore40: A Threat to npm Ecosystem
Summary
MAL-2025-162729: Malicious code in nokire-kore40 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'nokire-kore40' is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign that floods npm with harmful packages. Its primary function is to manipulate the npm registry by creating and publishing numerous derivative packages with altered metadata, thereby inflating developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in 'nokire-kore40' stems from its involvement in a malicious campaign that modifies the package.json file to remove private flags and change version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only compromises the integrity of the npm ecosystem but also poses risks to developers who may unknowingly use these tainted packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nokire-kore40If 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 'nokire-kore40' package and monitor your dependencies for any similar malicious packages. Regularly audit your npm packages using npm audit to identify vulnerabilities.
Conclusion
The 'nokire-kore40' package poses a significant threat to the npm ecosystem due to its malicious behavior of modifying package metadata and republishing harmful variants. It is essential for developers to remove this package and monitor their dependencies to maintain the integrity of their projects.
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FAQ
'nokire-kore40' is an npm package identified as part of a malicious campaign that modifies package metadata to inflate developer reputation scores.
Using 'nokire-kore40' can compromise your project's integrity by introducing malicious code and potentially leading to security breaches.
You should uninstall 'nokire-kore40' immediately using the command: npm uninstall nokire-kore40.
You can use tools like npm audit to check for vulnerabilities in your dependencies. Additionally, consider using Vulert, which monitors your package-lock.json for open-source 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.
