File: 1439.txt

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Rule:

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Sid:
1439

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Summary:
This event is generated when network traffic indicating the use of a
multimedia application is detected.

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Impact:
This may be a violation of corporate policy since these applications can
be used to bypass security measures designed to restrict the flow of
corporate information to destinations external to the corporation.

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Detailed Information:
Multimedia client applications can be used to view movies and listen to
music files. Some also include file sharing facilities. Use of these
programs may constitute a violation of company policy.

Clients may also contain vulnerabilities that can give an attacker an
attack vector for delivering Trojan horse programs and viruses.

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Affected Systems:
	All systems running multimedia applications

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Attack Scenarios:
A user can download files from a source external to the protected
network that may contain malicious code hidden in the file giving an
attacker the opportunity to gain access to a host inside the protected
network.

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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:

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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:

Content type reference:
http://reliableanswers.com/contenttype/CType.asp?page=6&ord=

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