Hash: SHA1

             AUSCERT External Security Bulletin Redistribution

                          ESB-2007.0128 -- [Win]
          Multiple Vendor SupportSoft SmartIssue ActiveX Control
                       Buffer Overflow Vulnerability
                             23 February 2007


        AusCERT Security Bulletin Summary

Product:              SupportSoft SmartIssue ActiveX Control
Publisher:            iDEFENSE
Operating System:     Windows
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2006-6490

Original Bulletin:    

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Multiple Vendor SupportSoft SmartIssue ActiveX Control Buffer Overflow

iDefense Security Advisory 02.22.07
Feb 22, 2007


SupportSoft Inc. develops a product called Self-Service Suite which aims to
help end users solve technical problems on their own. Symantec shipped a
SupportSoft Inc. ActiveX control along with Norton Internet Security 2006.
More information about SupportSoft can be found at
http://www.supportsoft.com/ For more information about Symantec and their
Norton product line, visit http://www.symantec.com/ and
http://www.norton.com/ respectively.


Remote exploitation of a buffer overflow vulnerability in a SupportSoft
ActiveX control allows attackers to execute arbitrary code in the context
of the current user.

The ActiveX affected control can be identified by the ProgId of
"SPRT.SmartIssue" or the CLSID of "01010e00-5e80-11d8-9e86-0007e96c65ae".
This ActiveX control is marked safe for scripting as it is intended to be
used in a web browser.

When installed with Norton Internet Security (NIS) 2006, the code
responsible for implementing the control can be found in "C:\Program
Files\Common Files\Symantec Shared\tgctlsi.dll".


Exploitation allows attackers to execute arbitrary code within the context
of the current user.

In order to be successful, the attacker must persuade the victim into
viewing a maliciously crafted web page. This can easily be accomplished by
enticing them into clicking a link via e-mail, an instant messenger, or
other means.


iDefense has confirmed the existence of this vulnerability within version
6.9.545.0 of "tgctlsi.dll" as included with Symantec Corp.'s Norton
Internet Security 2006. Newer versions of Norton Internet Security do not
include this control.

Older versions of this control are suspected to be vulnerable. Other
products utilizing this control should be considered vulnerable.


iDefense recommends setting the kill bit for this control to prevent the
control from loading when viewing a web page.


Symantec Corp. has addressed this vulnerability in Symantec Security
Advisory SYM07-002. You can view their advisory at

US-CERT has released Vulnerability Note VU#441785 pertaining to this issue
as well as related issues within SupportSoft ActiveX controls.

SupportSoft has released updated controls which do not contain the
aforementioned vulnerability. To obtain these controls, visit


The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2006-6490 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
security problems.


10/18/2006  Initial vendor notification
10/18/2006  Initial vendor response
02/22/2007  Coordinated public disclosure


This vulnerability was reported to iDefense by Peter Vreugdenhil.

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Copyright © 2007 iDefense, Inc.

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There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct, indirect,
or consequential loss or damage arising from use of, or reliance on, this

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