FW: Norton Internet Security Remote Command Execution (#NISR19042004b)

[Howell, Paul]

-----Original Message-----
From: NGSSoftware Insight Security Research [mailto:nisr@nextgenss.com] 
Sent: Friday, March 19, 2004 9:12 AM
To: bugtraq@securityfocus.com; NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM;
vulnwatch@vulnwatch.org
Subject: Norton Internet Security Remote Command Execution (#NISR19042004b)


NGSSoftware Insight Security Research Advisory

Name: Norton Internet Security Remote Command Execution
Systems Affected: XP (not confirmed on 2000); NIS & NIS Pro 2004, not
confirmed on previous versions.
Severity: High
Vendor URL: http://www.symantec.com
Author: Mark Litchfield [ mark@ngssoftware.com ]
Date Vendor Notified:    4th March 2004
Date of Public Advisory: 19th March 2004
Advisory number: #NISR19042004b
Advisory URL: http://www.ngssoftware.com/advisories/nisrce.txt

Description
***********

Symantec's Norton Internet Security 2004 Professional protects you and your
business from online threats. It eliminates viruses automatically, blocks
hackers, safeguards your personal information, fights spam, increases online
productivity, recovers lost or damaged files, and thoroughly deletes
confidential data you no longer need.


Details
*******

Installed with Norton Internet Security and Professional is an ActiveX
component that is marked safe for scripting, namely WrapNISUM Class
(c:\program files\Norton Internet Security Professional\WrapUM.dll). Using
the LaunchURL method an attacker has the ability to force the browser to run
arbitrary executables on the target.  In a real world attack, this would
more than likely take the form of a UNC path.  It's important to note here
that on those windows operating systems that support the WEBDAV redirector
file system if the UNC path cannot be reached over TCP port 139 or 445 it
will switch to TCP Port 80 (http).  Needless to say this aspect will allow
attacks to go through corporate firewalls.  The attack can be achieved
either by encouraging the 'victim' to visit a malicious web page or placing
a script within the content of an (html) email.


Fix Information
***************

Shipped with all Symantec's products is the LiveUpdate feature. Open
Internet Security / Professional and select the LiveUpdate feature which
will retrieve the lastest patch.  It's worth mentioning Symantec's quick
response to this issue in ensuring their clients remain protected.

About NGSSoftware
*****************
NGSSoftware design, research and develop intelligent, advanced application
security assessment scanners. Based in the United Kingdom, NGSSoftware have
offices in the South of London and the East Coast of Scotland. NGSSoftware's
sister company NGSConsulting, offers best of breed security consulting
services, specialising in application, host and network security
assessments.

http://www.ngssoftware.com/

Telephone +44 208 401 0070
Fax +44 208 401 0076

enquiries@ngssoftware.com





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