Check Point Advisories

Digium Asterisk Denial Of Service (CVE-2019-12827)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-1679
Date Published:	1 Mar 2020
Severity:	Medium
Last Updated:	Sunday 01 March, 2020
Source:
Industry Reference:	CVE-2019-12827
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Digium Asterisk Open Source 13.x prior to 13.27.1 Digium Asterisk Open Source 15.x prior to 15.7.3 Digium Asterisk Open Source 16.x prior to 16.4.1 Digium Certified Asterisk prior to 13.21-cert4
Vulnerability Description	A denial-of-service vulnerability exists in Digium Asterisk. Successful exploitation of this vulnerability would allow a remote attacker to create a denial of service condition on the affected system.

Protection Overview

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.

Security Gateway R80 / R77 / R75

In the IPS tab, click Protections and find the Digium Asterisk Denial Of Service (CVE-2019-12827) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Application Servers Protection Violation.
Attack Information: Digium Asterisk Denial Of Service (CVE-2019-12827)