Check Point Advisories

Digium Asterisk Out of Bounds Write (CVE-2017-17664)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-1959
Date Published:	13 May 2025
Severity:	Medium
Last Updated:	Tuesday 13 May, 2025
Source:
Industry Reference:	CVE-2017-17664
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Digium Asterisk versions 13.x prior to 13.18.4 Digium Asterisk versions 14.x prior to 14.7.4 Digium Asterisk versions 15.x prior to 15.1.4 Digium Certified Asterisk prior to version 13.13-cert9
Vulnerability Description	An out of bounds write vulnerability exists in Digium Asterisk. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Digium Asterisk Out of Bounds Write (CVE-2017-17664) 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: Web Server Enforcement Violation.
Attack Information: Digium Asterisk Out of Bounds Write (CVE-2017-17664)