CVE-2021-21362

Published on: 03/08/2021 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:28:58 PM UTC

CVE-2021-21362 - advisory for GHSA-hq5j-6r98-9m8v

Source: Mitre Source: Nist Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Certain versions of Minio from Minio contain the following vulnerability:

MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-04T00-53-13Z it is possible to bypass a readOnly policy by creating a temporary 'mc share upload' URL. Everyone is impacted who uses MinIO multi-users. This is fixed in version RELEASE.2021-03-04T00-53-13Z. As a workaround, one can disable uploads with `Content-Type: multipart/form-data` as mentioned in the S3 API RESTObjectPOST docs by using a proxy in front of MinIO.

  • CVE-2021-21362 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo minio - minio version < RELEASE.2021-03-04T00-53-13Z

CVSS3 Score: 6.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH NONE

CVSS2 Score: 4 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags Link
Release Security Bugfix Release · minio/minio · GitHub Release Notes
Third Party Advisory
github.com
text/html
URL Logo MISC github.com/minio/minio/releases/tag/RELEASE.2021-03-04T00-53-13Z
fix: missing user policy enforcement in PostPolicyHandler (#11682) · minio/[email protected] · GitHub Patch
Third Party Advisory
github.com
text/html
URL Logo MISC github.com/minio/minio/commit/039f59b552319fcc2f83631bb421a7d4b82bc482
fix: missing user policy enforcement in PostPolicyHandler by harshavardhana · Pull Request #11682 · minio/minio · GitHub Exploit
Third Party Advisory
github.com
text/html
URL Logo MISC github.com/minio/minio/pull/11682
Bypassing readOnly policy by creating a temporary 'mc share upload' URL · Advisory · minio/minio · GitHub Third Party Advisory
github.com
text/html
URL Logo CONFIRM github.com/minio/minio/security/advisories/GHSA-hq5j-6r98-9m8v

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMinioMinioAllAllAllAll
ApplicationMinioMinioAllAllAllAll
  • cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*:
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