Check Point Advisories

OpenSMTPD Remote Code Execution (CVE-2020-8794)

Check Point Reference: CPAI-2020-0116
Date Published: 15 Mar 2020
Severity: Critical
Last Updated: 15 Mar 2020
Source:
Industry Reference:CVE-2020-8794
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? OpenSMTPD prior to 6.6.4
Vulnerability Description A remote code execution vulnerability exists in OpenSMTPD. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on 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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the OpenSMTPD Remote Code Execution (CVE-2020-8794) 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:  SMTP Protection Violation.
Attack Information:  OpenSMTPD Remote Code Execution (CVE-2020-8794)

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