Check Point Advisories

Advantech Webaccess Directory Traversal Remote Code Execution (CVE-2017-16720)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-0270
Date Published:	19 Feb 2019
Severity:	Medium
Last Updated:	Monday 29 April, 2019
Source:
Industry Reference:	CVE-2017-16720
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	WebAccess
Vulnerability Description	A directory traversal and remote code execution vulnerability exists in Advantech WebAccess software. The vulnerability is due to improper input validation. Successful exploitation could lead to remote code execution on the target.

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 Advantech Webaccess Directory Traversal Remote Code Execution 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: Advantech Webaccess Directory Traversal Remote Code Execution