Check Point Advisories

Branch.io Cross-Site Scripting

Check Point Reference: CPAI-2018-1096
Date Published: 19 Nov 2018
Severity: High
Last Updated: 3 Dec 2018
Source:
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Websites using Branch.io
Vulnerability Description A Cross Site Scripting (XSS) vulnerability exists in Branch.io. Successful exploitation of this vulnerability would allow remote attackers to inject an arbitrary web script into the affected system.

Protection Overview

This protection will detect and block 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 Branch.io Cross-Site Scripting 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:  Web Server Enforcement Violation.
Attack Information:  Branch.io Cross-Site Scripting

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