Check Point Advisories

OpenSSL TLS Record Tampering Denial of Service (CVE-2013-4353)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1173
Date Published:	26 Mar 2014
Severity:	Low
Last Updated:	Wednesday 10 January, 2018
Source:	OpenSSL
Industry Reference:	CVE-2013-4353
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	OpenSSL Project OpenSSL 1.0.1 OpenSSL Project OpenSSL 1.0.1a OpenSSL Project OpenSSL 1.0.1b OpenSSL Project OpenSSL 1.0.1c OpenSSL Project OpenSSL 1.0.1d OpenSSL Project OpenSSL 1.0.1e
Vulnerability Description	A denial of service vulnerability exists in OpenSSL. The vulnerability is due to an error in handling certain TLS records during the handshake process. A remote unauthenticated attacker could exploit this vulnerability by sending tampered records to a vulnerable SSL client (which could be a server application) during the handshake process.

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

In the IPS tab, click Protections and find the OpenSSL TLS Record Tampering 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 TLS Record Tampering Denial of Service