Check Point Advisories

Apple Safari WebKit Form Elements Denial of Service (CVE-2011-2813)

Vulnerability
Protection

Check Point Reference:	CPAI-2012-025
Date Published:	17 Jan 2012
Severity:	High
Last Updated:	Friday 19 April, 2024
Source:	CVE-2011-2813
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Apple Computer iOS prior to 5 Apple Computer iTunes 10.x prior to 10.5 Apple Computer Safari 5.1 and prior
Vulnerability Description	A denial of service vulnerability has been reported in Apple Safari WebKit.
Vulnerability Details	The vulnerability is due to improper initialization of DOM objects for certain attributes. A remote attacker may exploit this vulnerability by enticing target users to open specially crafted HTML web pages. Successful exploitation could crash the user's browser, resulting 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 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

1. In the IPS tab, click Protections and find the Apple Safari WebKit Form Elements Denial of Service protection using the Search tool and Edit the protection's settings.
2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Web Client Enforcement Violation
Attack Information: Apple Safari WebKit form elements denial of service