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CVE-2023-28433

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Date: March 22, 2023

Minio is a Multi-Cloud Object Storage framework. All users on Windows prior to version RELEASE.2023-03-20T20-16-18Z are impacted. MinIO fails to filter the `\` character, which allows for arbitrary object placement across buckets. As a result, a user with low privileges, such as an access key, service account, or STS credential, which only has permission to `PutObject` in a specific bucket, can create an admin user. This issue is patched in RELEASE.2023-03-20T20-16-18Z. There are no known workarounds.

Language: Go

Severity Score

Related Resources (6)

https://github.com/minio/minio/commit/8d6558b23649f613414c8527b58973fbdfa4d1b8
https://nvd.nist.gov/vuln/detail/CVE-2023-28433
https://github.com/minio/minio/security/advisories/GHSA-w23q-4hw3-2pp6
https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z
https://github.com/minio/minio/commit/b3c54ec81e0a06392abfb3a1ffcdc80c6fbf6ebc
https://www.mend.io/vulnerability-database/CVE-2023-28433

Severity Score

Weakness Type (CWE)

Exposure of Resource to Wrong Sphere

CWE-668

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade Version

Upgrade to version RELEASE.2023-03-20T20-16-18Z

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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