CVE-2023-45821

Summary

CVE-2023-45821: A security vulnerability was discovered in Artifact Hub, a web application used for managing packages and configurations for CNCF projects. The issue lies in the `registryIsDockerHub` function, which only checks for the `docker.io` suffix in registry domains. This allows an attacker to purchase a domain ending in `docker.io` and deploy a fake OCI registry, potentially hijacking Docker credentials used by Artifact Hub for reading publicly available content. The vulnerability impacts versions prior to 1.16.0 and there are no known workarounds. Users are strongly advised to upgrade as soon as possible.

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