Rule:

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Sid:
1519

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Summary:
This event is generated when an attempt is made to exploit a flaw in 
Apache that can result in a listing of directory contents.

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Impact:
Information disclosure.

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Detailed Information:
When "Multiviews" are used to negotiate a directory index, a specially 
crafted URL can be used to obtain a directory listing instead of the 
index page.

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Affected Systems:
	Apache 1.3.11, 1.3.14 to 1.3.20

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Attack Scenarios:
An attacker can use this exploit to view sensitive information

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Ease of Attack:
Simple.

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False Positives:
The presence of the string "/?M=D" within an incoming http packet can 
cause this rule to generate an event.

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False Negatives: 
None known.

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Corrective Action: 
Upgrade to the latest non-affected version of the software.

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Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com> 
Snort documentation contributed by Josh Sakofsky

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Additional References:


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