Malicious Code Injection in mixed_fox_requirement Package
Summary
MAL-2025-95514: Malicious code in mixed_fox_requirement (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mixed_fox_requirement package 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 aims to exploit the npm registry by generating and publishing derivative packages with altered metadata. The primary functionality of this package is to serve as a dependency for other applications, but its compromised nature poses significant risks to developers and users alike.
Vulnerability Detail
The vulnerability originates from the mixed_fox_requirement package being associated with a malicious campaign that floods the npm registry with derivative packages. These packages contain scripts designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior not only inflates developer reputation scores for token rewards but also pollutes the npm registry, making it difficult for developers to find legitimate packages. The potential ramifications include unauthorized access to sensitive information, increased attack surface for malicious actors, and overall degradation of trust in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mixed_fox_requirementIf 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 avoid using the mixed_fox_requirement package and look for alternative packages that provide similar functionality without the associated risks. Always verify the integrity and reputation of packages before including them in your project.
Conclusion
The mixed_fox_requirement package poses a significant security risk due to its association with a malicious campaign that alters package metadata and floods the npm registry. It is crucial for developers to remove this package from their projects and adopt best practices for dependency management to ensure the security of their applications.
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FAQ
The mixed_fox_requirement package is an npm package that has been identified as part of a malicious campaign aimed at exploiting the npm registry.
This vulnerability can lead to unauthorized modifications of your package.json file, potentially exposing your application to security risks and degrading the integrity of your dependencies.
If you have installed the mixed_fox_requirement package, you should uninstall it immediately using the command npm uninstall mixed_fox_requirement.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json. You can check your application against known vulnerabilities using the Vulert playground without any signup.
Regularly update your dependencies, use tools like Vulert to monitor for vulnerabilities, and conduct thorough reviews of package integrity before installation.
