Check Point Advisories

Microsoft Exchange Server Spoofing (CVE-2022-24463)

Check Point Reference: CPAI-2022-0229
Date Published: 29 Jun 2022
Severity: Medium
Last Updated: Wednesday 29 June, 2022
Industry Reference:CVE-2022-24463
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Microsoft Exchange Server 2016 Cumulative Update 21
Microsoft Exchange Server 2016 Cumulative Update 22
Microsoft Exchange Server 2019 Cumulative Update 10
Microsoft Exchange Server 2019 Cumulative Update 11
Vulnerability Description A spoofing vulnerability exists in Microsoft Exchange Server. Successful exploitation of this vulnerability would allow a remote attacker to impersonate and present itself as a legitimate host.

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 Spoofing (CVE-2022-24463) 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 Spoofing (CVE-2022-24463)

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