Vulnerability CVE-2021-41137


Published: 2021-10-13

Description:
Minio is a Kubernetes native application for cloud storage. All users on release `RELEASE.2021-10-10T16-53-30Z` are affected by a vulnerability that involves bypassing policy restrictions on regular users. Normally, checkKeyValid() should return owner true for rootCreds. In the affected version, policy restriction did not work properly for users who did not have service (svc) or security token service (STS) accounts. This issue is fixed in `RELEASE.2021-10-13T00-23-17Z`. A downgrade back to release `RELEASE.2021-10-08T23-58-24Z` is available as a workaround.

Type:

CWE-285

(Improper Authorization)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Minio -> Minio 

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

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