CVE-2023-28434 — Actively Exploited: MinIO (MinIO)
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:
| CVE ID | CVE-2023-28434 |
|---|---|
| Vendor | MinIO |
| Product | MinIO |
| Vulnerability name | MinIO Security Feature Bypass Vulnerability |
| Date added | 2023-09-19 |
| Remediation due | 2023-10-10 |
| Known ransomware use | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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