All vulnerabilities
CVE-2023-28434GHSA-2pxw-r47w-4p8c

MinIO Security Feature Bypass Vulnerability

MinIO MinIOGoLibraries & packages
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 19 Sep 2023CISA KEV
Exploit odds (EPSS)7.92%Chance of exploitation activity in the next 30 days, higher than 94% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in0.0.0-202303200415Fixed versionOSV
Federal deadline10 Oct 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

  • 0.0.0-202303200415github.com/minio/minio, GoOSVgo get github.com/minio/minio@v0.0.0-202303200415

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 22 Mar 2023, 20:44 UTCPublishedCVE List
  2. 19 Sep 2023Added to CISA KEVCISA KEV

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.

Text from CVE List

Affected versions 3

  • minioaffected: < RELEASE.2023-03-20T20-16-18ZCVE List
  • minio, goallGitHub
  • github.com/minio/minio, Gofrom first release, fixed in 0.0.0-202303200415OSV

References 5