Minio up to 2022-04-12T06-55-35Z Metadata privileges management

Summaryinfo

A vulnerability marked as critical has been reported in Minio. This vulnerability affects unknown code of the component Metadata Handler. This manipulation causes privileges management. This vulnerability appears as CVE-2023-28434. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Minio. Affected by this vulnerability is an unknown code of the component Metadata Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Minio is a Multi-Cloud Object Storage framework. Prior to RELEASE.2023-03-20T20-16-18Z, an attacker can use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket`. To carry out this attack, the attacker requires credentials with `arn:aws:s3:::*` permission, as well as enabled Console API access. This issue has been patched in RELEASE.2023-03-20T20-16-18Z. As a workaround, enable browser API access and turn off `MINIO_BROWSER=off`.

The weakness was presented 03/23/2023 as GHSA-2pxw-r47w-4p8c. The advisory is shared at github.com. This vulnerability is known as CVE-2023-28434 since 03/15/2023. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 09/19/2023 with a due date of 10/10/2023:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading to version 2023-03-20T20-16-18Z eliminates this vulnerability. Applying the patch 67f4ba154a27a1b06e48bfabda38355a010dfca5 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Minio

Version

• 0.12.3
• 2021-01-30T00-20-58Z
• 2021-03-17T02-33-02Z
• 2021-10-10T16-53-30Z
• 2021-10-13T00-23-17Z
• 2022-04-12T06-55-35Z

License

• open-source

Website

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

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion