MinIO path traversal

Summaryinfo

A vulnerability labeled as critical has been found in MinIO. The impacted element is an unknown function. Executing a manipulation can lead to path traversal. This vulnerability is tracked as CVE-2022-35919. The attack can be launched remotely. Moreover, an exploit is present. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MinIO (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 08/02/2022 as GHSA-gr9v-6pcm-rqvg. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-35919 since 07/15/2022. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Applying the patch bc72e4226e669d98c8e0f3eccc9297be9251c692 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Exploit-DB (51734) and EUVD (EUVD-2022-38786). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• MinIO

License

• open-source

Website

• Product: https://github.com/minio/minio/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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