Check Point Advisories

Citrix Multiple Products Directory Traversal (CVE-2019-19781)

Check Point Reference: CPAI-2019-1653
Date Published: 9 Jan 2020
Severity: Critical
Last Updated: Sunday 26 January, 2020
Industry Reference:CVE-2019-19781
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Citrix Application Delivery Controller
Citrix Gateway 10.5
Citrix Gateway 11.1
Citrix Gateway 12.0
Citrix Gateway 12.1
Citrix Gateway 13.0
Vulnerability Description A directory traversal vulnerability exists in multiple Citrix products. Successful exploitation of this vulnerability could allow an attacker to retrieve or view arbitrary files from the affected server.

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 Citrix Multiple Products Directory Traversal (CVE-2019-19781) 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:  Citrix ICA Protection Violation.
Attack Information:  Citrix Multiple Products Directory Traversal (CVE-2019-19781)

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