Check Point Advisories

OpenSSL Ephemeral ECDH Cipher Suite Handshake Downgrade (CVE-2014-3572)

Check Point Reference: CPAI-2015-0012
Date Published: 7 Jan 2015
Severity: Low
Last Updated: 30 Jun 2020
Source: OpenSSL
Industry Reference:CVE-2014-3572
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable? OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k
Vulnerability Description A vulnerability has been detected in the way OpenSSL handles TLS handshakes involving certain cipher suites. An attacker might leverage this vulnerability to impersonate a server and intercept secure communications.

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

  1. In the IPS tab, click Protections and find the OpenSSL Ephemeral ECDH Cipher Suite Handshake Downgrade 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:  SSL Enforcement Violation.
Attack Information:  OpenSSL Ephemeral ECDH Cipher Suite Handshake Downgrade

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