CVE-2023-28432: MinIO Information Disclosure Vulnerability

CVE-2023-28432 · Severity: critical · CVSS 7.5 · Exploited in the wild · Published 2023-04-21

MinIO cluster deployments contain an information disclosure vulnerability where the application returns all environment variables. This includes sensitive credentials such as MINIO_SECRET_KEY and MINIO_ROOT_PASSWORD, potentially allowing unauthorized actors to gain full administrative access.

Technologies: Minio. Vendors: MinIO.

Quick answers

Is CVE-2023-28432 exploited in the wild?
Yes. CVE-2023-28432 is known to be exploited in the wild, first recorded on 21 April 2023. Treat it as urgent.
How severe is CVE-2023-28432?
Critical severity, with a CVSS score of 7.5, published 21 April 2023.
Which products and versions are affected?
MinIO MinIO RELEASE.2019-12-17T23-16-33Z to RELEASE.2023-03-20T20-16-18Z (exclusive).
Is there a fix for CVE-2023-28432?
A patch was published on 2023-03-20: Fixed in RELEASE.2023-03-20T20-16-18Z Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2023-28432 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-28432?
Check whether you run Minio. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • MinIO MinIO RELEASE.2019-12-17T23-16-33Z to RELEASE.2023-03-20T20-16-18Z (exclusive)

Timeline

  • 2023-03-20: patched: Fixed in RELEASE.2023-03-20T20-16-18Z
  • 2023-04-21: disclosed: Published to NVD
  • 2023-04-21: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-04-21: exploited: Reported as exploited in the wild by CISA and third-party researchers.

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