Check Point Advisories

Advantech WebAccess SCADA webvact.ocx UserName Buffer Overflow (CVE-2014-0770)

Check Point Reference: CPAI-2014-1483
Date Published: 18 May 2014
Severity: Medium
Last Updated: Wednesday 30 April, 2014
Source: CVE-2014-0770
Protection Provided by:

Security Gateway
R77

  • R76
  • R75

    		•
    Who is Vulnerable? Advantech WebAccess prior to 7.2
    Vulnerability Description A stack buffer overflow has been reported in Advantech's WebAccess SCADA software. This is due to insufficient input validation on the UserName parameter of the webvact.ocx ActiveX control, a part of the WebAccess Client. 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.

    Security Gateway R77 / R76 / R75 / R71 / R70

    1. In the IPS tab, click Protections and find the Advantech WebAccess SCADA webvact.ocx UserName 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 UserName Buffer Overflow

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