|Check Point Reference:||CPAI-2014-1348|
|Date Published:||2 Jun 2014|
|Last Updated:||2 Jun 2014|
|Protection Provided by:||
|Who is Vulnerable?|| Digium Asterisk Open Source 1.8.x prior to 220.127.116.11 |
Digium Asterisk Open Source 11.x prior to 11.8.1
Digium Asterisk Open Source 12.x prior to 12.1.1
Digium Certified Asterisk 1.8.15 prior to 1.8.15-cert5
Digium Certified Asterisk 11.6 prior to 11.6-cert2
|Vulnerability Description||A denial of service condition has been reported in Digium Asterisk. The vulnerability is due to file descriptor exhaustion from a large number of crafted SIP INVITE requests. A remote attacker can exploit this vulnerability to cause a denial of service condition.|
This protection will detect and block attempts to exploit this vulnerability.
In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, Protection tab and select the version of your choice.
SmartView Tracker will log the following entries:
Attack Name: VoIP Enforcement Violation.
Attack Information: Digium Asterisk File Descriptor Denial of Service