Privilege escalation in Minio

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU72488

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-2023-25812

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not correctly honor a "Deny" policy on ByPassGoverance. A remote attacker can gain elevated privileges on the system and delete an object under governance.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

minio: 2020-04-10T03-34-42Z - 2023-02-10T18-48-39Z

CPE2.3

• cpe:2.3:a:minio.io:minio:2020-04-10T03-34-42Z:*:*:*:*:*:*:*
• cpe:2.3:a:minio.io:minio:2020-04-15T00-39-01Z:*:*:*:*:*:*:*
• cpe:2.3:a:minio.io:minio:2020-04-15T19-42-18Z:*:*:*:*:*:*:*

External links

https://github.com/minio/minio/security/advisories/GHSA-c8fc-mjj8-fc63
https://github.com/minio/minio/commit/a7188bc9d0f0a5ae05aaf1b8126bcd3cb3fdc485
https://github.com/minio/minio/pull/16635

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.