Check Point Advisories

Python SSL Denial of Service (CVE-2019-5010)

Check Point Reference: CPAI-2019-1561
Date Published: 21 Nov 2019
Severity: High
Last Updated: 2 Dec 2019
Source:
Industry Reference:CVE-2019-5010
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Python
Vulnerability Description A denial of service vulnerability exists in the Python SSL module. The vulnerability is due to improper handling of malformed DistributionPoint extension within X.509 certificates. Successful exploitation of this vulnerability could lead to denial-of-service conditions on the target server.

Protection Overview

This protection detects 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 Python SSL Denial of Service (CVE-2019-5010) 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:  Content Protection Violation.
Attack Information:  Python SSL Denial of Service (CVE-2019-5010)

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