Check Point Advisories

HAProxy HTTP2 HPACK Remote Code Execution (CVE-2020-11100)

Check Point Reference: CPAI-2020-0504
Date Published: 2 Aug 2020
Severity: Medium
Last Updated: Sunday 02 August, 2020
Source:
Industry Reference:CVE-2020-11100
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? HAProxy prior to 2.1.4
Vulnerability Description A remote code execution vulnerability exists in HAProxy. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

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 HAProxy HTTP2 HPACK Remote Code Execution (CVE-2020-11100) 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:  Web Server Enforcement Violation.
Attack Information:  HAProxy HTTP2 HPACK Remote Code Execution (CVE-2020-11100)

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