Check Point Advisories

OpenSSL Anonymous ECDH Denial of Service (CVE-2014-3470)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1625
Date Published:	10 Jun 2014
Severity:	High
Last Updated:	Thursday 17 May, 2018
Source:	OpenSSL
Industry Reference:	CVE-2014-3470
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?	OpenSSL Project OpenSSL prior to 1.0.1h OpenSSL Project OpenSSL prior to 1.0.0m OpenSSL Project OpenSSL prior to 0.9.8za
Vulnerability Description	A denial of service vulnerability has been reported in OpenSSL. The vulnerability is due to an unspecified issue when processing Anonymous ECDH ciphersuites. A remote unauthenticated attacker could exploit this vulnerability by sending a specially crafted packet to a target machine.

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, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70

In the IPS tab, click Protections and find the OpenSSL Anonymous ECDH Denial of Service 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: SSL Enforcement Violation.
Attack Information: OpenSSL Anonymous ECDH Denial of Service