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Check Point Advisories

Fortinet FortiOS SSL VPN Directory Traversal (CVE-2018-13379)

Check Point Reference: CPAI-2018-1187
Date Published: 17 Oct 2019
Severity: Critical
Last Updated: 28 Oct 2019
Industry Reference:CVE-2018-13379
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Fortinet FortiOS 6.0.0-6.0.4
Fortinet FortiOS 5.6.3-5.6.7
Vulnerability Description A directory traversal vulnerability exists in Fortinet FortiOS. Successful exploitation of this vulnerability could allow an attacker to access arbitrary files 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 Fortinet FortiOS SSL VPN Directory Traversal (CVE-2018-13379) 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:  Web Server Enforcement Violation.
Attack Information:  Fortinet FortiOS SSL VPN Directory Traversal (CVE-2018-13379)

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