Privilege Escalation Affecting github.com/minio/minio/cmd package, versions *
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Test your applications- Snyk ID SNYK-GOLANG-GITHUBCOMMINIOMINIOCMD-3369911
- published 23 Mar 2023
- disclosed 23 Mar 2023
- credit Unknown
Introduced: 23 Mar 2023
CVE-2023-28434 Open this link in a new tabHow to fix?
A fix was pushed into the master branch but not yet published.
Overview
github.com/minio/minio/cmd is an open source object storage server compatible with Amazon S3 APIs.
Affected versions of this package are vulnerable to Privilege Escalation an attacker can use crafted requests to bypass metadata bucket name checking and put an object into any bucket while processing PostPolicyBucket.
To exploit this vulnerability, the attacker requires credentials with arn:aws:s3:::* permission, as well as enabled Console API access.
Note: This issue has been patched in RELEASE.2023-03-20T20-16-18Z.
Workaround
Enable browser API access and turn off MINIO_BROWSER=off.