2442.txt

snort入侵检测规则文件2.4 Snort是众所周知的网络入侵检测工具

Rule:  

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Sid:
2442

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Summary:
This event is generated when an attempt is made to exploit a known
vulnerability in Apple Quicktime/Darwin Streaming Server.

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Impact:
Denial of Service (DoS).

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Detailed Information:
The Apple Quicktime Streaming Server is used to serve client machines
with streaming media content using TCP/IP. A vulnerability exists in the
processing of client requests that can cause a DoS.

An overly long User-Agent field in DESCRIBE requests to the server can
cause this condition to occur.

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Affected Systems:
	Apple Darwin Streaming Server 4.1.3
	Apple Quicktime Streaming Server 4.1.3

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Attack Scenarios:
An attacker can supply a user agent field in excess of 255 characters in
a DESCRIBE request to trigger the DoS condition.

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Ease of Attack:
Moderate.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Apply the appropriate vendor supplied patches.

Upgrade to the latest non-affected version of the software.

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Contributors:
Sourcefire Research Team
Brian Caswell <[e-mail]>
Nigel Houghton <[e-mail]>

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Additional References:

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