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Check Point Advisories

PHP Arbitrary File Upload (CVE-2020-12255; CVE-2020-23828)

Check Point Reference: CPAI-2020-1278
Date Published: 27 Dec 2020
Severity: High
Last Updated: 27 Dec 2020
Industry Reference:CVE-2020-12255
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable?
Vulnerability Description Malicious PHP files can be uploaded to a server due to improper validation. Successful exploitation could result in execution of arbitrary code on the target 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 PHP Arbitrary File Upload 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:  PHP Arbitrary File Upload

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