GEN:SID | 1:1814 |
Message | WEB-MISC CISCO VoIP DOS ATTEMPT |
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.
|
Corrective Action | Apply the appropriate vendor supplied patches.
|
Additional References | Bugtraq: http://www.securityfocus.com/bid/4794
|
Rule References | bugtraq: 4794
cve: 2002-0882
nessus: 11013
|