Malicious Code Injection in ucok-poke19: A Threat to npm Users
Summary
MAL-2025-169637: Malicious code in ucok-poke19 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
ucok-poke19 is an npm package that is part of a broader campaign aimed at exploiting the npm registry. This package is associated with the tea.xyz token reward initiative, which has been known to flood the npm ecosystem with malicious packages. The primary function of ucok-poke19 is to serve as a vehicle for autopublishing scripts that generate derivative packages with randomized names, ultimately aimed at inflating developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability in ucok-poke19 arises from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of these variants, polluting the npm registry and potentially compromising the integrity of projects that depend on this package. The origin of this vulnerability is linked to a malicious campaign identified by Amazon Inspector, which highlights the risks associated with unverified packages in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall ucok-poke19If 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 use the following command to check your package-lock.json for any instances of ucok-poke19 and remove it: 'npm ls ucok-poke19'. If found, uninstall it immediately.
Conclusion
The ucok-poke19 package poses a significant risk to npm users due to its malicious behavior aimed at manipulating the npm registry. It is crucial to remove this package from your projects and utilize tools like Vulert to monitor for vulnerabilities effectively.
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FAQ
ucok-poke19 is an npm package associated with a malicious campaign that aims to exploit the npm registry by generating and publishing derivative packages.
The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of your project and affecting its dependencies.
You should uninstall ucok-poke19 immediately using the command 'npm uninstall ucok-poke19' to mitigate any risks.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
