Check Point Advisories

OpenSSL ASN1_TYPE_cmp Denial of Service (CVE-2015-0286)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0494
Date Published:	20 Apr 2015
Severity:	High
Last Updated:	Wednesday 20 December, 2017
Source:	OpenSSL Project0150319 secadv_20150319
Industry Reference:	CVE-2015-0286
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	OpenSSL Project OpenSSL prior to 0.9.8zf OpenSSL Project OpenSSL prior to 1.0.0r OpenSSL Project OpenSSL prior to 1.0.1m OpenSSL Project OpenSSL prior to 1.0.2a
Vulnerability Description	A denial of service vulnerability exists in OpenSSL. The vulnerability is due to a null pointer dereference error when an OpenSSL application receives and processes a crafted certificate.

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 ASN1_TYPE_cmp 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 ASN1_TYPE_cmp Denial of Service