|Check Point Reference:||CPAI-2017-0810|
|Date Published:||28 Sep 2017|
|Last Updated:||23 Oct 2017|
|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||An information disclosure vulnerability exists in Digium Asterisk. The vulnerability is due to improper handling of incoming RTP/RTCP packets when the chan_sip and chan_pjsip channel drivers are configured to use NAT and Symmetric-RTP respectively.|
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 RTP Stack Information Disclosure