Check Point Advisories

Netgate pfSense Stored Cross-Site Scripting (CVE-2019-8953)

Check Point Reference: CPAI-2019-1452
Date Published: 24 Oct 2019
Severity: High
Last Updated: Thursday 23 January, 2020
Source:
Industry Reference:CVE-2019-8953
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Netgate pfSense
Vulnerability Description A stored cross-site scripting vulnerability exists in Netgate pfSense. The vulnerability is due to improper validation of desc and table_actionsaclN parameters in the haproxy_listeners_edit.php script file.

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 Netgate pfSense Stored Cross-Site Scripting (CVE-2019-8953) 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:  Netgate pfSense Stored Cross-Site Scripting (CVE-2019-8953)

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