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Check Point Advisories

Advantech WebAccess SCADA Stack-based Buffer Overflow (CVE-2019-3975; CVE-2019-3951)

Check Point Reference: CPAI-2019-1712
Date Published: 17 Feb 2020
Severity: High
Last Updated: 17 Feb 2020
Industry Reference:CVE-2019-3951
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Advantech WebAccess prior to 8.4.2
Vulnerability Description A stack-based buffer overflow vulnerability exists in the webvrpcs service of Advantech WebAccess. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

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 Stack-based Buffer Overflow (CVE-2019-3975) 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 Stack-based Buffer Overflow (CVE-2019-3975)

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