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High severityNVD Advisory· Published Mar 22, 2023· Updated Feb 25, 2025

Minio Privilege Escalation on Windows via Path separator manipulation

CVE-2023-28433

Description

Minio is a Multi-Cloud Object Storage framework. All users on Windows prior to version RELEASE.2023-03-20T20-16-18Z are impacted. MinIO fails to filter the \ character, which allows for arbitrary object placement across buckets. As a result, a user with low privileges, such as an access key, service account, or STS credential, which only has permission to PutObject in a specific bucket, can create an admin user. This issue is patched in RELEASE.2023-03-20T20-16-18Z. There are no known workarounds.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/minio/minioGo
< 0.0.0-2023032007350.0.0-202303200735

Affected products

19

Patches

Vulnerability mechanics

References

6

News mentions

0

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