SB2023042403 - Information disclosure in MinIO



SB2023042403 - Information disclosure in MinIO

Published: April 24, 2023 Updated: December 6, 2024

Security Bulletin ID SB2023042403
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2023-28432)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can gain unauthorized access to sensitive information on the system, including "MINIO_SECRET_KEY" and "MINIO_ROOT_PASSWORD".


2) Improper access control (CVE-ID: CVE-2023-28434)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Green


The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user with "arn:aws:s3:::*" permission and enabled Console API access can bypass metadata bucket name checking and put an object into any bucket while processing "PostPolicyBucket".


Remediation

Install update from vendor's website.