CVE-2022-35919: Authenticated requests for server update admin API allows path traversal in minio

Vulnerability summary

CVE-2022-35919 is a high (CVSS 7.4) Path Traversal vulnerability in minio. EPSS estimates a 52.14% chance of exploitation in the next 30 days, higher than 98.9% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 01-08-2022
   PublishedVulnerability first disclosed.
2. 22-04-2025
   Last modifiedVulnerability information updated.

Description

MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. In affected versions all 'admin' users authorized for `admin:ServerUpdate` can selectively trigger an error that in response, returns the content of the path requested. Any normal OS system would allow access to contents at any arbitrary paths that are readable by MinIO process. Users are advised to upgrade. Users unable to upgrade may disable ServerUpdate API by denying the `admin:ServerUpdate` action for your admin users via IAM policies.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.