A vulnerability has been reported in some Symantec products, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within the Internet Email Auto-Protect feature when scanning outgoing email messages. This can be exploited to cause a stack overflow via an email message containing an overly long (greater than 951 characters) string in the "To:", "From:", or "Subject" fields.
Successful exploitation crashes the Internet E-mail real-time protection service and results in subsequent outgoing SMTP email messages not being scanned.
The vulnerability is reported in the following products:
* Symantec AntiVirus Corporate Edition version 9.x and 10.0
* Symantec Client Security 2.0.x and 3.0.x
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Subject: Symantec Products Internet Email Auto-Protect Stack Overflow
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