Check Point Advisories

Microsoft Exchange Server Remote Code Execution (CVE-2022-23277)

Check Point Reference: CPAI-2022-0755
Date Published: 6 Nov 2022
Severity: High
Last Updated: Tuesday 04 June, 2024
Source:
Industry Reference:CVE-2022-23277
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Microsoft Exchange Server
Vulnerability Description A remote code execution vulnerability exists in Microsoft Exchange Server. The vulnerability is due to improper handling of EWS requests containing malicious UserConfiguration objects.

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

  1. In the IPS tab, click Protections and find the Microsoft Exchange Server Remote Code Execution (CVE-2022-23277) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Windows SMB Protection Violation.
Attack Information:  Microsoft Exchange Server Remote Code Execution (CVE-2022-23277)

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