Malicious Code Injection in broad_warbler_dumbs: npm Package Vulnerability
Summary
MAL-2025-100126: Malicious code in broad_warbler_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The 'broad_warbler_dumbs' package is part of a series of npm packages that emerged during the tea.xyz token reward campaign. These packages are designed to automate the generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for rewards. This behavior poses a significant risk to the integrity of the npm registry and can lead to the proliferation of malicious software.
Vulnerability Detail
The vulnerability in 'broad_warbler_dumbs' originates from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This allows the package to continuously republish variants, polluting the npm registry and potentially compromising other projects that depend on it. The malicious code is part of a broader trend of using npm packages to exploit developer incentives and manipulate the ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall broad_warbler_dumbs
If 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 'broad_warbler_dumbs' package and monitor your dependencies for any signs of malicious activity. You can also use tools like Vulert to monitor your package-lock.json for vulnerabilities.
Conclusion
The 'broad_warbler_dumbs' package poses a significant risk due to its malicious behavior of modifying package files and republishing variants. It is crucial to remove this package from your projects and monitor your dependencies for vulnerabilities. Utilizing tools like Vulert can help maintain the security of your applications.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to automate the publication of derivative packages.
The vulnerability can lead to the proliferation of malicious packages in your project, potentially compromising its security and integrity.
You should uninstall the package immediately using 'npm uninstall broad_warbler_dumbs' and check your project for any other affected packages.
You can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.