File: 1735.txt

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Rule:

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Sid:
1735

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Summary:
This event is generated when a client on the protected network has 
possibly visited a website containing a malicious link leading to
disclosure of information on the client.

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Impact:
Information disclosure.

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Detailed Information:
Certain versions of Mozilla, Netscape and other browsers based on these
may allow a malicious link to reveal information about the files and
filesystem on a host.

HTTP redirects are mishandled by the XMLHttpRequest object in some
browsers, this may allow a malicious web server to retrieve information
from the client host if the redirect points to a local file.

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Affected Systems:
	Eazel Nautilus 1.0.4
	Galeon 1.2 and 1.2.1
	Mozilla versions 0.9.7 to 1.0 RC1
	Netscape versions 6.1 to 6.2.2

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Attack Scenarios:
A devious website admin creates a webpage with malicious code and 
obtains sensitive information from a visiting user's web browser about 
any file or filesystem on the host he wishes.

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Ease of Attack:
Simple

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False Positives: 
None known

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False Negatives: 
None known.

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Corrective Action:
Upgrade to the latest non-affected version of the software.

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Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com> 

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Additional References:

Bugtraq:
http://www.securityfocus.com/bid/4628

CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0354

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