Check Point Advisories

PHP Multipart Remote Denial of Service (CVE-2015-4024)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0690
Date Published:	30 Jun 2015
Severity:	High
Last Updated:	Tuesday 15 December, 2015
Source:
Industry Reference:	CVE-2015-4024
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	PHP prior to version 5.6.9
Vulnerability Description	A denial-of-service vulnerability has been reported in the way PHP handles HTTP requests. A remote attacker could exploit this vulnerability using a specially crafted HTTP request, and cause a denial of service condition on the affected system.

Protection Overview

This protection will detect and block 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

In the IPS tab, click Protections and find the PHP Multipart Remote Denial of Service 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: PHP Multipart Remote Denial of Service