Check Point Advisories

Advantech WebAccess Node Spchapi Buffer Overflow Remote Code Execution

Vulnerability
Protection

Check Point Reference:	CPAI-2019-1543
Date Published:	26 Nov 2019
Severity:	High
Last Updated:	Tuesday 26 November, 2019
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Advantech WebAccess
Vulnerability Description	Stack based buffer overflow vulnerabilities have been reported in Advantech WebAccess Node. A remote, unauthenticated user can exploit these vulnerabilities by sending crafted requests to the target server. Successful exploitation could result in the execution of arbitrary code in the security context of the user running the application.

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 Node Spchapi Buffer Overflow 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 Node Spchapi Buffer Overflow Remote Code Execution