Rule:--Sid:1814--Summary:This event is generated when an attempt is made to exploit a flaw on a Cisco VoIP telephone.--Impact:Denial of Service.--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.--Affected Systems:Cisco VoIP Phones 7910, 7940, and 7960 (software version 3.0 to 3.2)--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.--Ease of Attack:Simple.--False Positives: None known.--False Negatives: None known.--Corrective Action:Apply the appropriate vendor supplied patches.--Contributors:Sourcefire Vulnerability Research TeamBrian Caswell <bmc@sourcefire.com>Nigel Houghton <nigel.houghton@sourcefire.com> Snort documentation contributed by Josh Sakofsky-- Additional References:--