Check Point Advisories

ThinkPHP Insecure Deserialization

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0282
Date Published:	22 May 2023
Severity:	High
Last Updated:	Monday 22 May, 2023
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	ThinkPHP 5.1
Vulnerability Description	An insecure deserialization vulnerability exists in ThinkPHP. Successful exploitation of this vulnerability would allow remote attackers to send a specially crafted serialized object to the vulnerable server.

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

In the IPS tab, click Protections and find the ThinkPHP Insecure Deserialization protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: ThinkPHP Insecure Deserialization