Check Point Advisories

OpenSSL DTLS dtls1_buffer_record Denial of Service (CVE-2015-0206)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0053
Date Published:	19 Jan 2015
Severity:	High
Last Updated:	Thursday 12 March, 2015
Source:	OpenSSL0150108 secadv_20150108
Industry Reference:	CVE-2015-0206
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	OpenSSL Project OpenSSL prior to 1.0.0p OpenSSL Project OpenSSL prior to 1.0.1k
Vulnerability Description	A denial of service vulnerability has been reported in OpenSSL. The vulnerability is due to memory exhaustion when parsing specially crafted DTLS packets. Successful exploitation will result in high memory consumption and lead to 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, 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 DTLS dtls1_buffer_record 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: OpenSSL Enforcement Violation.
Attack Information: OpenSSL DTLS dtls1_buffer_record Denial of Service