MinIO Info Disclosure: ENV Vars Leakage in Cluster Deployment
CVE-2023-28432 Published on March 22, 2023
Minio Information Disclosure in Cluster Deployment
Minio is a Multi-Cloud Object Storage framework. In a cluster deployment starting with RELEASE.2019-12-17T23-16-33Z and prior to RELEASE.2023-03-20T20-16-18Z, MinIO returns all environment variables, including `MINIO_SECRET_KEY`
and `MINIO_ROOT_PASSWORD`, resulting in information disclosure. All users of distributed deployment are impacted. All users are advised to upgrade to RELEASE.2023-03-20T20-16-18Z.
Known Exploited Vulnerability
This MinIO Information Disclosure Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. MinIO contains a vulnerability in a cluster deployment where MinIO returns all environment variables, which allows for information disclosure.
The following remediation steps are recommended / required by May 12, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2023-28432 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2023-28432 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2023-28432
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Affected Versions
minio Version >= RELEASE.2019-12-17T23-16-33Z, < RELEASE.2023-03-20T20-16-18Z is affected by CVE-2023-28432Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.