Information disclosure in MinIO



| Updated: 2024-12-06
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-28432
CVE-2023-28434
CWE-ID CWE-200
CWE-284
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerability #2 is being exploited in the wild.
Vulnerable software
 minio
Other software / Other software solutions

Vendor minio.io

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU75421

Risk: High

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-28432

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can gain unauthorized access to sensitive information on the system, including "MINIO_SECRET_KEY" and "MINIO_ROOT_PASSWORD".

Mitigation

Install updates from vendor's website.

Vulnerable software versions

minio: 2019-12-17T23-16-33Z - 2023-03-13T19-46-17Z

CPE2.3 External links

https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q
https://github.com/minio/minio/releases/tag/RELEASE.2023-03-20T20-16-18Z
https://www.greynoise.io/blog/openai-minio-and-why-you-should-always-use-docker-cli-scan-to-keep-your-supply-chain-clean
https://twitter.com/Andrew___Morris/status/1639325397241278464
https://viz.greynoise.io/tag/minio-information-disclosure-attempt


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

2) Improper access control

EUVDB-ID: #VU80422

Risk: Medium

CVSSv4.0: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2023-28434

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user with "arn:aws:s3:::*" permission and enabled Console API access can bypass metadata bucket name checking and put an object into any bucket while processing "PostPolicyBucket".

Mitigation

Install updates from vendor's website.

Vulnerable software versions

minio: 2019-12-17T23-16-33Z - 2023-03-13T19-46-17Z

CPE2.3 External links

https://github.com/minio/minio/security/advisories/GHSA-2pxw-r47w-4p8c
https://github.com/minio/minio/pull/16849
https://github.com/minio/minio/commit/67f4ba154a27a1b06e48bfabda38355a010dfca5


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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