Check Point Advisories

PHP htmlspecialchars htmlentities Buffer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2012-218
Date Published:	14 May 2012
Severity:	Critical
Last Updated:	Friday 22 November, 2024
Source:
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	PHP Group PHP 5.4SVN-2012-02-03
Vulnerability Description	A code execution vulnerability has been reported in PHP.
Vulnerability Details	The vulnerability is due to a buffer overflow when processing numeric entities by the vulnerable PHP functions. A remote attacker can exploit this issue by sending a specially crafted request to a web application that uses the vulnerable functions. Successful exploitation could allow an attacker to execute arbitrary code on the target system.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

In the IPS tab, click Protections and find the PHP htmlspecialchars htmlentities Buffer Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Web Client Enforcement Violation
Attack Information: PHP htmlspecialchars htmlentities Buffer Overflow