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Stack Overflow in 3rd Party ActiveX Controls affects Multiple Vendor
Products
------------------------------------------------------------------------
SUMMARY
Vulnerabilities were identified in third-party trouble-shooting ActiveX
controls, developed by SupportSoft. Two of these controls were signed,
shipped and installed with the identified versions of Symantec s consumer
products and as part of the Symantec Automated Support Assistant support
tool. The vulnerability identified in the Symantec shipped controls could
potentially result in a stack overflow requiring user interaction to
exploit. If successfully exploited this vulnerability could potentially
compromise a user s system possibly allowing execution of arbitrary code
or unauthorized access to system
assets with the permissions of the user s browser.
DETAILS
Vulnerable Systems:
* Symantec Automated Support Assistant
* Symantec Norton AntiVirus 2006
* Symantec Norton Internet Security 2006
* Symantec Norton System Works 2006
Immune Systems:
* Symantec 2007 Consumer Products
* Symantec Norton 360
* Symantec Corporate and Enterprise Products
Symantec was initially alerted by Next Generation Security Software
(NGSS), to stack overflow and unauthorized access vulnerabilities
identified in two SupportSoft ActiveX controls, SmartIssue tgctlsi.dll and
ScriptRunner tgctlsr.dll, that Symantec signed and shipped with some of
Symantec s 2006 consumer products and used by the Symantec Automated
Support Assistant support tool Symantec provides onits consumer support
site.
These SupportSoft ActiveX components did not properly validate external
input. This failure could potentially lead to unauthorized access to
system resources or the possible execution of malicious code with the
privileges of the user s browser, resulting in a potential compromise of
the user s system.
Any attempt to exploit these issues would require interactive user
involvement. An attacker would need to be able to effectively entice a
user to visit a malicious web site where their malicious code was hosted
or to click on a malicious URL in any attempt to compromise the user s
system. While these SupportSoft-developed components should also have been
effectively site-locked, which would have further reduced the severity,
this capability was found to be improperly implemented in the vulnerable
versions.
Symantec Response:
Symantec worked closely with SupportSoft to ensure updates were quickly
made available for the identified controls. SupportSoft has posted a
Security Bulletin,
<http://www.supportsoft.com/support/controls_update.asp>
http://www.supportsoft.com/support/controls_update.asp, for the controls
Symantec uses and controls used in other products on their support site,
www.supportsoft.com.
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6490>
CVE-2006-6490
ADDITIONAL INFORMATION
The information has been provided by <mailto:secure@symantec.com>
Symantec Security.
The original article can be found at:
<http://www.symantec.com/avcenter/security/Content/2007.02.22.html>
http://www.symantec.com/avcenter/security/Content/2007.02.22.html
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