Check Point Reference:CPAI-2014-1661
Date Published: 16 Jul 2014
Severity: Medium
Last Updated:26 Jun 2014
Source: CVE-2014-0768
Protection Provided by:

Security Gateway

  • R76
  • R75

  • Who is Vulnerable? Advantech WebAccess prior to 7.2
    Vulnerability Description A stack buffer overflow exists in Advantech's WebAccess SCADA software. This is due to insufficient input validation on the AccessCode2 parameter of the webvact.ocx ActiveX control, a part of the WebAccess Client. A remote, unauthenticated attacker could exploit this vulnerability by enticing a vulnerable user to open a crafted web page. Successful exploitation could lead to code execution in the context of the target user.

    Protection Overview

    This protection will detect and block 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, Protection tab and select the version of your choice.

    1. In the IPS tab, click Protections and find the Advantech WebAccess SCADA webvact.ocx AccessCode2 Buffer Overflow protection using the Search tool and Edit the protection's settings.
    2. Install policy on all modules.

    SmartView Tracker will log the following entries:

    Attack Name:  SCADA Protection Violation.
    Attack Information:  Advantech WebAccess SCADA webvact.ocx AccessCode2 Buffer Overflow