Malicious Code Injection in realistic_emu-toolteadev Package
Summary
MAL-2025-107769: Malicious code in realistic_emu-toolteadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The realistic_emu-toolteadev package is part of the npm ecosystem, typically used for developing realistic emulation tools. However, it has been identified as part of a malicious campaign that floods the npm registry with harmful packages. This package is designed to manipulate developer reputation scores through automated scripts that publish derivative packages with randomized names, thus compromising the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the realistic_emu-toolteadev package. This payload modifies the package.json file by removing private flags, altering version numbers, and generating random package names. The scripts involved are designed to continuously republish these variants, leading to pollution of the npm registry and potential exploitation of developers who unknowingly use these packages. The ramifications include compromised project integrity, potential security risks, and damage to developer reputation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall realistic_emu-toolteadevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the realistic_emu-toolteadev package until a secure version is released. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The realistic_emu-toolteadev package has been identified as containing malicious code that compromises the integrity of the npm registry and poses security risks to developers. It is crucial to update or remove this package and to utilize tools like Vulert for ongoing monitoring of vulnerabilities in your projects.
See every vulnerability recorded for realistic_emu-toolteadev →
FAQ
It is an npm package used for developing realistic emulation tools, but it has been compromised with malicious code.
The malicious code modifies your package.json, potentially exposing your project to security risks and damaging your developer reputation.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.
Remove the package from your project and update to a secure version if available. Review your project for any potential impacts from the malicious code.
Regularly monitor your dependencies using tools like Vulert and keep your packages updated to their latest secure versions.
