Check Point Advisories

PHP DateInterval Heap Buffer Overread Denial of Service (CVE-2013-6712)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-0758
Date Published:	13 Mar 2014
Severity:	High
Last Updated:	Thursday 13 March, 2014
Source:	CVE-2013-6712
Protection Provided by:	Security Gateway R75 and above
Who is Vulnerable?
Vulnerability Description	A denial of service vulnerability has been reported in PHP. The vulnerability is due to a buffer overread when creating a dateInterval object. A remote attacker can exploit this flaw by sending a malicious request. Successful exploitation could result in 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 Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R70 / R71 / R75 and above

In the IPS tab, click Protections and find the PHP DateInterval Heap Buffer Overread Denial of Service 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 DateInterval Heap Buffer Overread Denial of Service