Check Point Advisories

Laravel Remote Code Execution (CVE-2021-43503)

Check Point Reference: CPAI-2021-1188
Date Published: 7 Jun 2022
Severity: Critical
Last Updated: Tuesday 07 June, 2022
Industry Reference:CVE-2021-43503
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? Laravel 5.8.38
Vulnerability Description A remote code execution vulnerability exists in Laravel. 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 R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Laravel Remote Code Execution (CVE-2021-43503) 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:  Laravel Remote Code Execution (CVE-2021-43503)

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