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Symantec Norton Internet Security 2008 ActiveX Control Buffer Overflow
Vulnerability
------------------------------------------------------------------------
SUMMARY
<http://www.symantec.com/home_homeoffice/products/overview.jsp?pcid=is&pvid=nis2008>
Norton Internet Security 2008 is "a system security suite that offers
protection from spyware, viruses, identity theft, spam, and malicious network
traffic". Remote exploitation of a buffer overflow vulnerability in an ActiveX
control installed by Symantec Norton Internet Security 2008 could allow for the
execution of arbitrary code.
DETAILS
Vulnerable Systems:
* Norton Internet Security 2008 version 2.7.0.1
Norton Internet Security 2008 installs the following ActiveX control which
is registered as safe for scripting:
Clsid: 3451DEDE-631F-421c-8127-FD793AFC6CC8
File: C:\PROGRA~1\COMMON~1\SYMANT~1\SUPPOR~1\SymAData.dll
Version 2.7.0.1
This control contains an exploitable stack based buffer overflow.
Analysis:
Exploitation allows attackers to execute arbitrary code with the
privileges of the currently logged in user. In order for exploitation to
occur, an attacker would have to lure a vulnerable user to a malicious web
site.
While this control is marked as safe for scripting, the control has been
designed so that it can only be run from the "symantec.com" domain. In
practice this requirement can be bypassed through the use of any Cross
Site Scripting (XSS) vulnerabilities in the Symantec domain. Exploitation
could also occur through the use of DNS poisoning attacks.
Workaround:
Setting the kill-bit for this control will prevent it from being loaded
within Internet Explorer. However, doing so will prevent legitimate use of
the control.
Vendor response:
Symantec has addressed this vulnerability by releasing updates. For more
information, refer to their advisory at the following URL.
<http://www.symantec.com/avcenter/security/Content/2008.04.02a.html>
http://www.symantec.com/avcenter/security/Content/2008.04.02a.html
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0312>
CVE-2008-0312
Disclosure timeline:
12/05/2007 - Initial vendor notification
12/05/2007 - Initial vendor response
04/02/2008 - Coordinated public disclosure
ADDITIONAL INFORMATION
The information has been provided by iDefense Labs.
The original article can be found at:
<http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=677>
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=677
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