Check Point Advisories

Advantech WebAccess SCADA BwPSLinkZip Stack-based Buffer Overflow (CVE-2018-7499)

Check Point Reference: CPAI-2018-1105
Date Published: 22 Nov 2018
Severity: High
Last Updated: 2 Dec 2018
Source:
Industry Reference:CVE-2018-7499
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? WebAccess
Vulnerability Description A stack-based buffer overflow vulnerability exists in the webvrpcs service of Advantech WebAccess. The vulnerability is due to a lack of boundary checks while copying user-supplied data into a stack-based buffer.

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 / R76 / R75

  1. In the IPS tab, click Protections and find the Advantech WebAccess SCADA BwPSLinkZip Stack-based Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Advantech WebAccess SCADA BwPSLinkZip Stack-based Buffer Overflow

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