Check Point Advisories

OpenSSL DTLS Handshake Memory Exhaustion - ver 2 (CVE-2014-3506)

Check Point Reference: CPAI-2015-0414
Date Published: 28 Sep 2014
Severity: High
Last Updated: Wednesday 01 April, 2015
Source: OpenSSL
Industry Reference:CVE-2014-3506
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? OpenSSL Project OpenSSL prior to 1.0.1i
Vulnerability Description A denial of service vulnerability exists in OpenSSL. The vulnerability is due to large memory consumption during reassembly of the fragmented DTLS handshake. A remote, unauthenticated attacker could exploit this vulnerability by sending specially crafted messages to a target.

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

  1. In the IPS tab, click Protections and find the OpenSSL DTLS Handshake Memory Exhaustion - ver 2 protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  OpenSSL Enforcement Violation.
Attack Information:  OpenSSL DTLS Handshake Memory Exhaustion - ver 2

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