Check Point Advisories

Dompdf php-svg-lib Insecure Deserialization (CVE-2023-50252)

Vulnerability
Protection

Check Point Reference:	CPAI-2023-1668
Date Published:	24 Apr 2024
Severity:	Critical
Last Updated:	Wednesday 24 April, 2024
Source:
Industry Reference:	CVE-2023-50252
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Dompdf php-svg-lib prior to 0.5.1
Vulnerability Description	An insecure deserialization vulnerability exists in Dompdf php-svg-lib. 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

In the IPS tab, click Protections and find the Dompdf php-svg-lib Insecure Deserialization (CVE-2023-50252) 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: Dompdf php-svg-lib Insecure Deserialization (CVE-2023-50252)