Check Point Advisories

PHP Exif Header Parsing Integer Overflow (CVE-2011-4566)

Vulnerability
Protection

Check Point Reference:	CPAI-2012-335
Date Published:	27 Aug 2012
Severity:	High
Last Updated:	Thursday 25 April, 2024
Source:	CVE-2011-4566
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	PHP Group PHP prior to 5.3.9
Vulnerability Description	An integer overflow vulnerability has been reported in PHP.
Vulnerability Details	The vulnerability is due to lack of EXIF data validation. A Remote attacker could exploit this vulnerability by uploading a specially crafted image to the target server. Successful exploitation could result in sensitive information disclosure or a denial of service condition.

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 Exif Header Parsing Integer 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 Server Enforcement Violation
Attack Information: PHP Exif Header Parsing Integer Overflow