Check Point Advisories

ShowDoc Unrestricted File Upload (CVE-2021-36440)

Check Point Reference: CPAI-2021-0747
Date Published: 7 Oct 2021
Severity: High
Last Updated: Thursday 07 October, 2021
Source:
Industry Reference:CVE-2021-36440
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? ShowDoc version 2.9.5
Vulnerability Description An unrestricted file upload vulnerability exists in ShowDoc. 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 ShowDoc Unrestricted File Upload (CVE-2021-36440) 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:  ShowDoc Unrestricted File Upload (CVE-2021-36440)

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