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CVE-2023-28434— MinIO is vulnerable to privilege escalation on Linux/MacOS

Quick assessment

Affected
minio minio
Exploitation
Confirmed exploitation in the wild; remediate immediately
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。攻击者利用该漏洞获得启用控制台API的访问权限。

CVSS 8.8 · High KEV EPSS 7.92% · P95

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-28434

Vulnerability Information
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Vulnerability Title
MinIO is vulnerable to privilege escalation on Linux/MacOS
Source: CVE Program / CVE List V5
Vulnerability Description
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`.
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
特权管理不恰当
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。攻击者利用该漏洞获得启用控制台API的访问权限。
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)

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Affected Products

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

II. Public POCs for CVE-2023-28434

# POC Description Source Link Shenlong Link
1 EXP for CVE-2023-28434 MinIO unauthorized to RCE https://github.com/AbelChe/evil_minio POC Details
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III. Intelligence Information for CVE-2023-28434

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Patches & Fixes for CVE-2023-28434 (2)

Vendor Advisories for CVE-2023-28434 (1)

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

CVE-2023-28433 8.8 HIGH Minio Privilege Escalation on Windows via Path separator manipulation
CVE-2023-28432 7.5 HIGH Minio Information Disclosure in Cluster Deployment

IV. Related Vulnerabilities

Same product: minio
Same vendor: minio
Same weakness: CWE-269

V. Comments for CVE-2023-28434

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