Critical Malicious Code Vulnerability in react-leaflet-cluster-layer Package
Summary
MAL-2026-2071: Malicious code in react-leaflet-cluster-layer (npm). Affects react-leaflet-cluster-layer versions 0.0.4. No fix is published. How to fix ↓
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Background
The react-leaflet-cluster-layer package is a popular npm library used for clustering markers in Leaflet maps. It enhances the visualization of large datasets on maps by grouping nearby markers into clusters. However, this package has been identified to contain malicious code that compromises the security of systems where it is installed.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the react-leaflet-cluster-layer package. This code can fully compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code is classified under CWE-506, indicating that it contains embedded malicious code. The ramifications of this vulnerability are severe, 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 react-leaflet-cluster-layerIf 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 posed by this vulnerability other than removing the affected package and securing your environment.
Conclusion
The react-leaflet-cluster-layer package has been identified as containing malicious code that poses a significant security risk. Immediate action is required to remove the package and secure any sensitive information. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.
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FAQ
You should remove the package immediately and rotate any sensitive information stored on your system.
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Failing to address this vulnerability can lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.
As of now, there is no patched version available. The best course of action is to remove the package.
Vulert uses the package-lock.json file to monitor and alert in real-time for open-source vulnerabilities, providing an easy way to keep your application secure.
