Malicious Code Injection in upper_puma_0xrequest Package
Summary
MAL-2025-110210: Malicious code in upper_puma_0xrequest (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The upper_puma_0xrequest package is part of the npm ecosystem, often used in JavaScript applications for handling HTTP requests. This package has been identified as part of a malicious campaign that floods npm with derivative packages. Its primary functionality is to facilitate web requests, but it has been compromised to serve malicious purposes.
Vulnerability Detail
The vulnerability in the upper_puma_0xrequest package stems from its association with a malicious campaign that modifies the package.json file to remove private flags and change version numbers. It generates random package names and continuously republishes these variants to pollute the npm registry. This can lead to security risks, including unauthorized access to sensitive data and the potential for further exploitation of affected systems.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall upper_puma_0xrequestIf 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 upper_puma_0xrequest package and replace it with a trusted alternative for handling HTTP requests. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The upper_puma_0xrequest package has been identified as a vector for malicious code injection, posing significant risks to applications that utilize it. It is crucial to remove this package and monitor for any unauthorized changes in your project. Utilizing tools like Vulert can help maintain the security of your software.
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FAQ
It is an npm package used for handling HTTP requests in JavaScript applications.
The vulnerability can lead to unauthorized modifications in your project, potentially exposing sensitive data and allowing further exploitation.
You should remove the package from your project and monitor your application for any unusual behavior.
Yes, you can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
