Check Point Advisories

PHP ZIP Archive Heap Overflow (CVE-2016-3078)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0320
Date Published:	3 May 2016
Severity:	Critical
Last Updated:	Tuesday 31 May, 2016
Source:
Industry Reference:	CVE-2016-3078
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	PHP 7.X until 7.0.6
Vulnerability Description	A heap overflow vulnerability exists in PHP, due to an integer overflow when reading ZIP files. A remote attacker can exploit this vulnerability by sending a crafted ZIP archive to a web application running a vulnerable version of PHP. A successful attack can result in remote code execution under the context of the service running PHP.

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 R80 / R77 / R75

In the IPS tab, click Protections and find the PHP ZIP Archive Heap 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 ZIP Archive Heap Overflow