Malicious Code Exploit in condemned_grasshopper-gooddev Package
Summary
MAL-2025-100822: Malicious code in condemned_grasshopper-gooddev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The condemned_grasshopper-gooddev package is part of the npm ecosystem, often used in JavaScript projects. It is associated with the tea.xyz token reward campaign, which has been known to flood npm with various packages. This package, like others in the campaign, is designed to manipulate developer reputation scores through automated publishing scripts.
Vulnerability Detail
The vulnerability stems from malicious code embedded within the condemned_grasshopper-gooddev package. This code is designed to modify the package.json file by removing private flags, altering version numbers, and generating random package names. The primary goal is to inflate developer reputation scores for token rewards while polluting the npm registry with derivative packages. This can lead to security risks, as it compromises the integrity of the npm ecosystem and can potentially introduce harmful dependencies into projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall condemned_grasshopper-gooddevIf 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 condemned_grasshopper-gooddev package and instead look for alternative packages that provide similar functionality without the associated risks. Additionally, monitor your package-lock.json file for any unauthorized changes.
Conclusion
The condemned_grasshopper-gooddev package contains malicious code that poses significant risks to the integrity of your projects. It is crucial to remove this package and monitor your dependencies for any 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, known for manipulating developer reputation scores.
The malicious code modifies your package.json file, potentially introducing security vulnerabilities and polluting the npm registry.
You should uninstall the condemned_grasshopper-gooddev package immediately and check for any unauthorized changes in your project.
Yes, you can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
