1814.txt

This is the snapshot of Snot Latest Rules

Rule:

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Sid:
1814

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Summary:
This event is generated when an attempt is made to exploit a flaw on a Cisco VoIP telephone.

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Impact:
Denial of Service.

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Detailed Information:
Certain versions of Cisco's VoIP phones are vulnerable to an attack that can cause them to reboot when they recieve an http request such as  http://ciscophoneip/StreamingStatistics?<value> where <value> is an  integer value of arbitrary high value, typically a number greater than  32768.

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Affected Systems:
Cisco VoIP Phones 7910, 7940, and 7960 (software version 3.0 to 3.2)

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Attack Scenarios:
A remote user can send the exploit url to the phone, causing the phone to reboot and disallowingthe user to place or recieve calls for up to 30 seconds.

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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:
Apply the appropriate vendor supplied patches.

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Contributors:
Sourcefire Vulnerability Research Team
Brian Caswell <[e-mail]>
Nigel Houghton <[e-mail]> 
Snort documentation contributed by Josh Sakofsky

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Additional References:

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