|Check Point Reference:||CPAI-2019-0055|
|Date Published:||17 Jan 2019|
|Last Updated:||20 Jan 2019|
|Protection Provided by:||
|Who is Vulnerable?|| Digium Asterisk Open Source 13.x prior to 13.19.2|
Digium Asterisk Open Source 14.x prior to 14.7.6
Digium Asterisk Open Source 15.x prior to 15.2.2
Digium Certified Asterisk 13.18 prior to 13.18-cert3
|Vulnerability Description||A denial of service vulnerability exists in Digium Asterisk. The vulnerability is due to improper handling of prematurely closed TCP connections after a SIP INVITE request. Successful exploitation could result in denial of service conditions on the target service.|
This protection detects 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, click on Protection tab and select the version of your choice.
This protection's log will contain the following information:
Attack Name: Application Servers Protection Violation.
Attack Information: Digium Asterisk Denial of Service (CVE-2018-7286)