Check Point Advisories

EmbedThis GoAhead Remote Code Execution (CVE-2021-42342)

Check Point Reference: CPAI-2021-1379
Date Published: 30 Nov 2022
Severity: Critical
Last Updated: Wednesday 30 November, 2022
Source:
Industry Reference:CVE-2021-42342
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? GoAhead 4.x and 5.x before 5.1.5
Vulnerability Description An unrestricted file upload vulnerability exists in EmbedThis GoAhead Web Server. The vulnerability is due to improper validation of user form variables passed to the file upload filter.

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 EmbedThis GoAhead Remote Code Execution (CVE-2021-42342) 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:  EmbedThis GoAhead Remote Code Execution (CVE-2021-42342)

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