Check Point Advisories

PHP exif Extension exif_ifd_make_value Thumbnail Heap Buffer Overflow (CVE-2014-3670)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-2265
Date Published:	2 Dec 2014
Severity:	Critical
Last Updated:	Sunday 14 February, 2016
Source:	PHP
Industry Reference:	CVE-2014-3670
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	PHP Group PHP prior to 5.4.34 PHP Group PHP prior to 5.5.18 PHP Group PHP prior to 5.6.2
Vulnerability Description	A code execution vulnerability exists in PHP exif extension. The vulnerability is due to a buffer overflow when handles exif thumbnail. A remote attacker can exploit the vulnerability by sending crafted picture data to a web application running a vulnerable version of PHP.

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 exif Extension exif_ifd_make_value Thumbnail Heap Buffer Overflow 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 exif Extension exif_ifd_make_value Thumbnail Heap Buffer Overflow