Check Point Advisories

Digium Asterisk Cookie Stack Overflow (CVE-2014-2286)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1315
Date Published:	13 Apr 2014
Severity:	High
Last Updated:	Sunday 13 April, 2014
Source:	CVE-2014-2286
Protection Provided by:	Security Gateway R77 R76 R75
Who is Vulnerable?	Digium Certified Asterisk prior to 1.8.15-cert15 Digium Certified Asterisk prior to 11.6-cert2 Asterisk Asterisk Open Source prior to 1.8.26.1 Asterisk Asterisk Open Source prior to 11.8.1 Asterisk Asterisk Open Source prior to 12.1.1
Vulnerability Description	A stack-overflow vulnerability has been reported in Digium Asterisk. The vulnerability is due to insufficient validation of Cookie: headers in HTTP requests sent to the HTTP management interface. A remote attacker can exploit this vulnerability to cause a denial-of-service condition.

Protection Overview

This protection will detect and block 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, Protection tab and select the version of your choice.

Security Gateway R77 / R76 / R75 / R71 / R70

In the IPS tab, click Protections and find the Digium Asterisk Cookie Stack Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Digium Asterisk Cookie Stack Overflow