Vulnerability Details : CVE-2023-28434

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`.
Published 2023-03-22 21:15:18
Updated 2023-03-28 16:24:56
Source GitHub, Inc.
View at NVD,   CVE.org
CVE-2023-28434 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
MinIO Security Feature Bypass Vulnerability
CISA required action:
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA description:
MinIO contains a security feature bypass vulnerability that allows an attacker to use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing `PostPolicyBucket` to conduct privilege escalation. To carry out this attack, the attacker requires creden
Notes:
https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c
Added on 2023-09-19 Action due date 2023-10-10

Exploit prediction scoring system (EPSS) score for CVE-2023-28434

Probability of exploitation activity in the next 30 days: 3.43%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 90 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2023-28434

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 nvd@nist.gov
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 security-advisories@github.com

CWE ids for CVE-2023-28434

  • The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
    Assigned by: security-advisories@github.com (Secondary)

References for CVE-2023-28434

Products affected by CVE-2023-28434

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