Check Point Advisories

MinIO Privilege Escalation (CVE-2021-43858)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-2061
Date Published:	4 Dec 2023
Severity:	High
Last Updated:	Monday 04 December, 2023
Source:
Industry Reference:	CVE-2021-43858
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	MinIO prior to 2021-12-27 t0 7-23-18z
Vulnerability Description	A privilege escalation vulnerability exists in MinIO. Successful exploitation of this vulnerability would allow a remote attacker to gain unauthorized access to the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the MinIO Privilege Escalation (CVE-2021-43858) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: MinIO Privilege Escalation (CVE-2021-43858)