Malicious Code Injection in xaver-keripik84-kyuki Package
Summary
MAL-2025-92359: Malicious code in xaver-keripik84-kyuki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The xaver-keripik84-kyuki package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. Its functionality is compromised by malicious scripts that alter package metadata.
Vulnerability Detail
The vulnerability in the xaver-keripik84-kyuki package stems from malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, leading to the continuous republishing of variants that pollute the npm registry. Originating from a campaign to exploit npm for token rewards, this vulnerability can severely impact the integrity of the npm ecosystem and developer reputation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall xaver-keripik84-kyukiIf 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 xaver-keripik84-kyuki package and monitor your dependencies for any malicious activity. Additionally, consider using tools like Vulert to check for vulnerabilities in your package-lock.json file.
Conclusion
The xaver-keripik84-kyuki package contains a serious vulnerability due to malicious code that alters package metadata. It is crucial to remove this package from your project and monitor your dependencies for any potential threats. Utilizing tools like Vulert can help in maintaining the security of your open-source projects.
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FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation of derivative packages.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies.
You should uninstall the package immediately using 'npm uninstall xaver-keripik84-kyuki' and monitor your project for any unusual activity.
Yes, you can use Vulert to monitor your package-lock.json file for open-source vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without requiring an account.
