[NT] Norton Antivirus Content Filter and Virus Protection Can By Passed

From: support@securiteam.com
Date: 03/23/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Sat, 23 Mar 2002 12:20:48 +0100 (CET)

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  Norton Antivirus Content Filter and Virus Protection Can By Passed
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SUMMARY

Due to a vulnerability in NAV attackers can bypass its content filtering
and virus protection. This could prove dangerous since it allows malicious
content to go through the protection mechanism untouched.

DETAILS

Due to a case sensitivity problem of the Content-Type and
Content-Disposition allows attackers to cause NAV to incorrectly not
detect a message's attachments.

Example:
CONTENT-type: text/plain;
NAme=\"eicar.com\"

ADDITIONAL INFORMATION

The information has been provided by <mailto:3APA3A@SECURITY.NNOV.RU>
3APA3A.

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