|Check Point Reference:||CPAI-2017-0828|
|Date Published:||8 Oct 2017|
|Last Updated:||16 Oct 2018|
|Protection Provided by:||
|Who is Vulnerable?|| Digium Asterisk Open Source prior to 11.25.2 |
Digium Asterisk Open Source prior to 13.17.1
Digium Asterisk Open Source prior to 14.6.1
Digium Certified Asterisk prior to 11.6-cert17
Digium Certified Asterisk prior to 13.13-cert5
|Vulnerability Description||A command execution vulnerability exists in Digium Asterisk. The vulnerability is due to insufficient validation of Caller-IDs within SIP requests when the MinivmNotify() dialplan function is used with an external notification program. A remote, authenticated attacker could exploit this vulnerability by sending specially crafted SIP packets to the Asterisk server.|
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: VoIP Enforcement Violation.
Attack Information: Digium Asterisk app_minivm Caller-ID Command Execution