Malicious Code Injection in mcclure-teadev Package: A Threat to npm Ecosystem
Summary
MAL-2025-105723: Malicious code in mcclure-teadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mcclure-teadev package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate development by providing reusable code. However, it has been identified as part of a malicious campaign that exploits npm's publishing mechanisms, leading to potential security risks for developers and their applications.
Vulnerability Detail
The vulnerability in the mcclure-teadev package originates from its association with a token reward campaign that floods npm with malicious packages. These packages contain scripts designed to automatically generate and publish derivative packages with randomized names, effectively polluting the npm registry. The malicious code modifies the package.json file to remove private flags, alters version numbers, and continuously republishes variants, which can lead to reputation inflation and security risks for developers using these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mcclure-teadevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, you can avoid using the mcclure-teadev package altogether and look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your npm packages using tools like npm audit to identify and mitigate vulnerabilities.
Conclusion
The mcclure-teadev package poses a significant security risk due to its malicious code designed to exploit npm's publishing system. Developers should take immediate action to remove this package and monitor their applications for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your software.
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FAQ
The mcclure-teadev package is an npm package used in JavaScript development, but it has been identified as malicious due to its involvement in a token reward scheme.
The vulnerability can lead to the introduction of malicious code into your application, potentially compromising its security and integrity.
You should uninstall the mcclure-teadev package immediately and check for any other affected packages in your project.
You can use tools like npm audit or services like Vulert, which monitors your package-lock.json for 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 any signup.
