Check Point Advisories

Mailsploit Unsanitized Sender Remote Code Execution

Check Point Reference: CPAI-2017-1060
Date Published: 7 Dec 2017
Severity: Critical
Last Updated: 18 Dec 2017
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable?
Vulnerability Description Mailsploit is a collection of bugs in email clients that allow effective sender spoofing and code injection attacks. The spoofing is not detected by Mail Transfer Agents (MTA), leading to a remote attack gaining arbitrary code execution 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 / R76 / R75

  1. In the IPS tab, click Protections and find the Mailsploit Unsanitized Sender Remote Code Execution protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  SMTP Protection Violation.
Attack Information:  Mailsploit Unsanitized Sender Remote Code Execution

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