291.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:
291

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Summary:
This event is generated when an attempt is made to exploit a buffer 
overflow in the Cassandra NNTP service.

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Impact:
Denial of Service.

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Detailed Information:
The denial of service is caused by providing an unusually long login
name.  The rule looks for a data payload of over 512 characters.

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Affected Systems:
	Cassandra NNTP server v1.10

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Attack Scenarios:
The attack is done remotely and causes denial of service.

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Ease of Attack:
Simple.  An exploit is readily available.

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False Positives:
None known.

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False Negatives:
None known.

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Corrective Action:
Install the available security patches from your vendor.

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Contributors:
Original Rule Writer Unknown
Sourcefire Research Team
Nigel Houghton <[e-mail]>
Snort documentation contributed by Steven Alexander<[e-mail]>

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Additional References:

Arachnids:
http://www.whitehats.com/info/IDS274

CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCAN-2000-0341

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