CVE-2021-43858

Summary

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.

Affected Software

Weaknesses

• CWE-269: CWE-269: Improper Privilege Management

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/minio/minio/security/advisories/GHSA-j6jc-jqqc-p6cx
• https://github.com/minio/minio/pull/13976
• https://github.com/minio/minio/pull/7949
• https://github.com/minio/minio/commit/5a96cbbeaabd0a82b0fe881378e7c21c85091abf
• https://github.com/minio/minio/releases/tag/RELEASE.2021-12-27T07-23-18Z

References

• https://github.com/minio/minio/security/advisories/GHSA-j6jc-jqqc-p6cx
• https://github.com/minio/minio/pull/13976
• https://github.com/minio/minio/pull/7949
• https://github.com/minio/minio/commit/5a96cbbeaabd0a82b0fe881378e7c21c85091abf
• https://github.com/minio/minio/releases/tag/RELEASE.2021-12-27T07-23-18Z

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