CVE-2023-27589: Improper Access Control

March 14, 2023 (updated March 21, 2023)

Minio is a Multi-Cloud Object Storage framework. Starting with RELEASE.2020-12-23T02-24-12Z and prior to RELEASE.2023-03-13T19-46-17Z, a user with consoleAdmin permissions can potentially create a user that matches the root credential accessKey. Once this user is created successfully, the root credential ceases to work appropriately. The issue is patched in RELEASE.2023-03-13T19-46-17Z. There are ways to work around this via adding higher privileges to the disabled root user via mc admin policy set.

References

github.com/minio/minio/pull/16803
github.com/minio/minio/security/advisories/GHSA-9wfv-wmf7-6753
nvd.nist.gov/vuln/detail/CVE-2023-27589

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