CVE-2023-28433
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Minio
PublishedMar 22, 2023
First seenMar 22, 2023
Weakness typeCWE-668CWE-668
How to fix
Update
- minio minio2023-03-20t20-16-18z or later
- github.com/minio/minio0.0.0-202303200735 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| minio minio | v < 2023-03-20t20-16-18z | 2023-03-20t20-16-18z |
| github.com/minio/minioGo | v < 0.0.0-202303200735 | 0.0.0-202303200735 |
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