Improper Authentication in minio.io minio

1) Improper Authentication

EUVDB-ID: #VU64794

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-11012

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an authentication bypass issue in the MinIO admin API. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

minio: 2020-01-03T19-12-21Z - 2020-04-22T00-11-12Z

CPE2.3

• cpe:2.3:a:minio.io:minio:2020-01-03T19-12-21Z:*:*:*:*:*:*:*
• cpe:2.3:a:minio.io:minio:2020-01-16T03-05-44Z:*:*:*:*:*:*:*
• cpe:2.3:a:minio.io:minio:2020-01-16T22-40-29Z:*:*:*:*:*:*:*

External links

https://github.com/minio/minio/commit/4cd6ca02c7957aeb2de3eede08b0754332a77923
https://github.com/minio/minio/pull/9422
https://github.com/minio/minio/security/advisories/GHSA-xv4r-vccv-mg4w
https://github.com/minio/minio/releases/tag/RELEASE.2020-04-23T00-58-49Z

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?

No. We are not aware of malware exploiting this vulnerability.