Check Point Advisories

PHP HTTP Fopen Wrapper Stack Buffer Overflow (CVE-2018-7584)

Vulnerability
Protection

Check Point Reference:	CPAI-2018-2634
Date Published:	4 Dec 2023
Severity:	Critical
Last Updated:	Sunday 28 January, 2024
Source:
Industry Reference:	CVE-2018-7584
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	PHP 5.6.33 and prior PHP 7.0.0 and later, prior to 7.0.28 PHP 7.1.0 and later, 7.1.14 and prior PHP 7.2.0 and later, 7.2.2 and prior
Vulnerability Description	A stack buffer overflow vulnerability exists in PHP. The vulnerability is due to improper parsing of HTTP responses. A remote attacker could exploit this vulnerability by causing a target PHP server to send a request to an attacker controlled 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 PHP HTTP Fopen Wrapper Stack Buffer Overflow (CVE-2018-7584) 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 HTTP Fopen Wrapper Stack Buffer Overflow (CVE-2018-7584)