Malicious Code Injection in unexpected_caribou-appteadev Package
Summary
MAL-2025-110089: Malicious code in unexpected_caribou-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The unexpected_caribou-appteadev package is part of the npm ecosystem, often utilized in JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with packages that inflate developer reputation scores. This package, like others in the campaign, is designed to automatically generate and publish derivative packages, which can lead to significant pollution of the npm registry.
Vulnerability Detail
The vulnerability originates from malicious code embedded within the unexpected_caribou-appteadev package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, primarily themed around Indonesian culture. The continuous republishing of these variants can severely impact the integrity of the npm registry, leading to potential security risks for developers who unknowingly integrate these packages into their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall unexpected_caribou-appteadevIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using the unexpected_caribou-appteadev package and consider replacing it with a reputable alternative. Additionally, regularly audit your project's dependencies using tools like npm audit to identify and mitigate vulnerabilities.
Conclusion
The unexpected_caribou-appteadev package poses a significant risk due to its malicious code that alters package configurations and pollutes the npm registry. It is essential to remove this package from your projects and utilize tools like Vulert to monitor for vulnerabilities in real-time.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to inflate developer reputation scores.
The vulnerability allows for the modification of package.json files, removal of private flags, and the generation of numerous derivative packages that pollute the npm registry.
You can use Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application's package-lock.json for vulnerabilities without needing to sign up.
You should uninstall the unexpected_caribou-appteadev package immediately and check for any other affected packages in your project.
Yes, tools like npm audit and Vulert can help you identify and manage vulnerabilities in your npm packages effectively.
