Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

HAProxy HTTP2 CRLF Injection (CVE-2019-19330)

Check Point Reference: CPAI-2019-2204
Date Published: 2 Aug 2020
Severity: High
Last Updated: Monday 21 March, 2022
Source:
Industry Reference:CVE-2019-19330
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? HAProxy prior to 2.0.10
Vulnerability Description A CRLF injection vulnerability exists in HAProxy HTTP2 module. Successful exploitation of this vulnerability could allow a remote attacker to damage users 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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the HAProxy HTTP2 CRLF Injection (CVE-2019-19330) 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:  Proxy Server Enforcement Violation.
Attack Information:  HAProxy HTTP2 CRLF Injection (CVE-2019-19330)

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