Server-Side Request Forgery (SSRF) in MinIO

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU50236

Risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21287

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in the Browser API implementation. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker to read or update internal resources.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

minio: 2019-12-17T23-16-33Z

External links

http://github.com/minio/minio/commit/eb6871ecd960d570f70698877209e6db181bf276
http://github.com/minio/minio/pull/11337
http://github.com/minio/minio/releases/tag/RELEASE.2021-01-30T00-20-58Z
http://github.com/minio/minio/security/advisories/GHSA-m4qq-5f7c-693q

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.