CVE-2023-28434 - MinIO Security Feature Bypass Vulnerability

Vulnerability Name

MinIO Security Feature Bypass Vulnerability

Description

MinIO contains a security feature bypass vulnerability that allows an attacker to use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket` to conduct privilege escalation. To carry out this attack, the attacker requires credentials with `arn:aws:s3:::*` permission, as well as enabled Console API access.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Additional Notes

https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c

https://nvd.nist.gov/vuln/detail/CVE-2023-28434