Check Point Advisories

Citrix NetScaler Remote Code Execution (CVE-2023-3519)

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0568
Date Published:	24 Jul 2023
Severity:	Critical
Last Updated:	Thursday 20 June, 2024
Source:
Industry Reference:	CVE-2023-3519
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Citrix Netscaler Application Delivery Controller 12.1 and later, prior to 12.1-55.297 Citrix Netscaler Application Delivery Controller 12.1 and later, prior to 12.1-55.297 Citrix Netscaler Application Delivery Controller 13.0 and later, prior to 13.0-91.13 Citrix Netscaler Application Delivery Controller 13.1 and later, prior to 13.1-37.159 Citrix Netscaler Application Delivery Controller 13.1 and later, prior to 13.1-49.13 Citrix Netscaler Application Delivery Controller 11.1-65.22 Fips Edition Citrix Netscaler Gateway 13.0 and later, prior to 13.0-91.13 Citrix Netscaler Gateway 13.1 and later, prior to 13.1-49.13
Vulnerability Description	A remote code execution vulnerability exists in Citrix NetScaler. 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Citrix NetScaler Remote Code Execution (CVE-2023-3519) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: Citrix NetScaler Remote Code Execution (CVE-2023-3519)