Check Point Advisories

Web Servers Code Execution Over HTTP Request Parameters (CVE-2017-17055)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-1019
Date Published:	27 Sep 2018
Severity:	High
Last Updated:	Wednesday 27 March, 2019
Source:
Industry Reference:	CVE-2017-17055
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A cross-site scripting vulnerability exists on different web servers. The vulnerability is due to an input validation error in the parameters in the request URL. Successful exploitation allows unauthenticated remote attackers to disclose or access arbitrary files on the vulnerable 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

In the IPS tab, click Protections and find the Web Servers Code Execution Over HTTP Request Parameters 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: Web Servers Code Execution Over HTTP Request Parameters