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CVE-2023-28433— Minio Privilege Escalation on Windows via Path separator manipulation

Quick assessment

Affected
minio minio
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MinIO是美国MinIO公司的一款开源的对象存储服务器。该产品支持构建用于机器学习、分析和应用程序数据工作负载的基础架构。 MinIO 存在安全漏洞。低权限攻击者利用该漏洞可以创建管理员账户。

CVSS 8.8 · High EPSS 0.98% · P61
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I. Basic Information for CVE-2023-28433

Vulnerability Information
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Vulnerability Title
Minio Privilege Escalation on Windows via Path separator manipulation
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
将资源暴露给错误范围
Source: CVE Program / CVE List V5
Vulnerability Title
MinIO 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MinIO是美国MinIO公司的一款开源的对象存储服务器。该产品支持构建用于机器学习、分析和应用程序数据工作负载的基础架构。 MinIO 存在安全漏洞。低权限攻击者利用该漏洞可以创建管理员账户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
minio minio < RELEASE.2023-03-20T20-16-18Z -

II. Public POCs for CVE-2023-28433

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III. Intelligence Information for CVE-2023-28433

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Patches & Fixes for CVE-2023-28433 (2)

Vendor Advisories for CVE-2023-28433 (1)

Other References for CVE-2023-28433 (1)

Same Patch Batch · minio · 2023-03-22 · 3 CVEs total

CVE-2023-28434 8.8 HIGH MinIO is vulnerable to privilege escalation on Linux/MacOS
CVE-2023-28432 7.5 HIGH Minio Information Disclosure in Cluster Deployment

IV. Related Vulnerabilities

Same product: minio
Same vendor: minio
Same weakness: CWE-668

V. Comments for CVE-2023-28433

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