MinIO Security Feature Bypass
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA deadline 2023-10-10 · passed 2 years 11 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
MinIO MinIO. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-269.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 2 years 11 months ago
Sources
- NVD entry for CVE-2023-28434 nvd.nist.gov/vuln/detail/CVE-2023-28434
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- github.com github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2023-28434