Check Point Advisories

Digium Asterisk Out-of-Bounds Write (CVE-2018-7284)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0362
Date Published:	2 May 2018
Severity:	High
Last Updated:	Monday 13 March, 2023
Source:
Industry Reference:	CVE-2018-7284
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Digium Asterisk version 13.19.1 and prior Digium Asterisk versions 14.0.0 to 14.7.5 Digium Asterisk versions 15.0.0 to 15.2.1 Digium Certified Asterisk version 13.18-cert2 and prior
Vulnerability Description	An out-of-bounds write vulnerability exists in Asterisk. Successful exploitation would result in a denial of service condition.

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-2018-7284) 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: VoIP Enforcement Violation.
Attack Information: Digium Asterisk Out-of-Bounds Write (CVE-2018-7284)