Vulnerability identifier: #VU64786

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41137

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
minio
Other software / Other software solutions

Vendor: minio.io

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to policy restriction does not work properly for users who did not have service (svc) or security token service (STS) accounts. A remote user can bypass policy restrictions on regular users and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

minio: 2021-10-10T16-53-30Z

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External links
http://github.com/minio/minio/security/advisories/GHSA-v64v-g97p-577c
http://github.com/minio/minio/pull/13388
http://github.com/minio/minio/pull/13422
http://github.com/minio/minio/commit/415bbc74aacd53a120e54a663e941b1809982dbd

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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?

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