Check Point Advisories

Advantech WebAccess SCADA Buffer Overflow (CVE-2019-3953)

Check Point Reference: CPAI-2019-1540
Date Published: 25 Nov 2019
Severity: Critical
Last Updated: 25 Nov 2019
Industry Reference:CVE-2019-3953
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? WebAccess
Vulnerability Description A stack buffer overflow exists in Advantech WebAccess SCADA. The vulnerability is due to improper validation of user-supplied data in the request submitted to the target server with IOCTL 10012. Successful exploitation could lead to arbitrary code execution under context of Administrator.

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 Advantech WebAccess SCADA Buffer Overflow (CVE-2019-3953) 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:  Advantech WebAccess SCADA Buffer Overflow (CVE-2019-3953)

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