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CVE-2021-43858

Description

MinIO is a Kubernetes native application for cloud storage. Prior to version `RELEASE.2021-12-27T07-23-18Z`, a malicious client can hand-craft an HTTP API call that allows for updating policy for a user and gaining higher privileges. The patch in version `RELEASE.2021-12-27T07-23-18Z` changes the accepted request body type and removes the ability to apply policy changes through this API. There is a workaround for this vulnerability: Changing passwords can be disabled by adding an explicit `Deny` rule to disable the API for users.

POC

Reference

No PoCs from references.

Github

- https://github.com/0rx1/cve-2021-43858

- https://github.com/ARPSyndicate/cve-scores

- https://github.com/ARPSyndicate/cvemon

- https://github.com/NaInSec/CVE-PoC-in-GitHub

- https://github.com/SYRTI/POC_to_review

- https://github.com/WhooAmii/POC_to_review

- https://github.com/cokeBeer/go-cves

- https://github.com/khuntor/CVE-2021-43858-MinIO

- https://github.com/nomi-sec/PoC-in-GitHub

- https://github.com/soosmile/POC

- https://github.com/trhacknon/Pocingit

- https://github.com/zecool/cve