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What Is the Nature of Software Vulnerability NI-64BG6SWQ-3?

Primary Software: LabVIEW Development Systems>>LabVIEW Base Development System
Primary Software Version: 2012 SP1
Primary Software Fixed Version: N/A
Secondary Software: Measurement Studio>>Professional Edition (Base Package)

I’d like to understand how severe software vulnerability NI-64BG6SWQ-3 is so that I can make an informed decision about patching the affected software.

You can use the following information to assess the security risk of vulnerability NI-64BG6SWQ-3 to your environment.

Flaw details:
ActiveX controls in HelpAsst.dll and HelpAsst64.dll allow any URL to initiate display of .chm help files that reside on the target.

Impact and exploitability:
This vulnerability allows remote attackers to consume excess resources on the target machine with the same privileges as the current user. The targeted user must visit a malicious page using Microsoft Internet Explorer or open a malicious Microsoft Office file for an attacker to successfully exploit this vulnerability. National Instruments is not aware of any active attempts to exploit this issue.

CVSS Severity: Medium

Base Score








Affected Products:

Affected software



2012 SP1 and previous


2012 SP1 and previous

Measurement Studio

2013 and previous


2012 SP1 and previous

Device Drivers

2013.02 and previous

National Instruments has issued an update to affected products. For more information, refer to How Does NI Security Update 67L8K7QW Affect Me?

In lieu of patching, users of affected products can add “kill bits” to the registry to prevent vulnerable ActiveX controls from being loaded in Microsoft Internet Explorer and Microsoft Office. For more information, refer to How Do Microsoft “Kill Bits” Affect NI ActiveX Components?

The NI Product Team published this advisory.  You may direct questions about this advisory to security 'at' and find more information about National Instruments product security at  

Related Links: KnowledgeBase 67L8N7QW: How Do The NI Q2 2013 Security Updates Affect Me?
KnowledgeBase 67L8IQQW: How Does NI Security Update 67L8IQQW for NI Help Links Affect Me?
KnowledgeBase 67L8K7QW: How Does NI Security Update 67L8K7QW (NI General Security Patch Q2 2013) Affect Me?


Report Date: 08/26/2013
Last Updated: 11/20/2013
Document ID: 6CP9K755

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