Malicious Code Vulnerability in underlying_constrictor_dumbs Package
Summary
MAL-2025-110063: Malicious code in underlying_constrictor_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The underlying_constrictor_dumbs package is part of a series of npm packages that emerged during the tea.xyz token reward campaign. These packages are designed to manipulate the npm registry by generating and publishing numerous derivative packages with randomized names, aiming to inflate developer reputation scores for token rewards. This behavior poses a significant risk to the integrity of the npm ecosystem.
Vulnerability Detail
The vulnerability in the underlying_constrictor_dumbs package originates from its malicious design, which includes autopublish scripts that modify the package.json file. These modifications remove private flags, alter version numbers, and create random package names, leading to the continuous republishing of variants. This not only pollutes the npm registry but also compromises the security of applications relying on this package, potentially allowing for further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall underlying_constrictor_dumbsIf 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 temporarily avoid using the underlying_constrictor_dumbs package by removing it from your dependencies. You can do this by executing the following command in your project directory: npm uninstall underlying_constrictor_dumbs.
Conclusion
The underlying_constrictor_dumbs package contains a significant vulnerability that can compromise the security of applications relying on it. Immediate action is required to remove the package and monitor for updates. Utilizing tools like Vulert can help in identifying and managing such vulnerabilities effectively.
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FAQ
It is an npm package involved in a malicious campaign that generates and publishes numerous derivative packages to inflate developer reputation scores.
The vulnerability can lead to the pollution of the npm registry and may compromise the security of applications that depend on the affected package.
You should uninstall the underlying_constrictor_dumbs package immediately and monitor for any updates or patches that may be released.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file. You can check your application for vulnerabilities using the Vulert playground without any signup.
Detailed information can be found in the vulnerability report and by monitoring updates from the npm registry and security advisories.
