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Update Protection against Apple Safari parent.close Code Execution Vulnerability

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Check Point Reference: CPAI-2010-215
Date Published:
Severity:
Last Updated:
Source: Secunia Advisory: SA39670
Industry Reference(s): CVE-2010-1939
Protection Provided by: Security Gateway
  • R71
VPN-1
  • NGX R65
VSX
  • NGX R65
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Apple Safari 4.0.5 and prior
Vulnerability Description
A remote code execution vulnerability has been discovered in Apple Safari. Safari is a web browsing application developed by Apple. A remote attacker could exploit this issue by convincing a user to open a maliciously crafted HTML, which may allow the attacker to execute arbitrary code on the affected system.
Vulnerability Details
The vulnerability is due to an error in Apple Safari while handling the termination and subsequent referencing between child and parent windows. To trigger this issue, an attacker may create a malicious web page and persuade a user to view it. Successful exploitation of this vulnerability will allow an attacker to take complete control of the affected system.

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/VPN-1 product to the latest IPS/SmartDefense update. For information on how to update IPS/SmartDefense,go to SBP-2006-05, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway: R70/R71

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. In the right pane, double-click the Apple Safari parent.close Code Execution protection.
3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings. 
4. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries: 

Attack Name: Web Client Enforcement Violation
Attack Information: Apple Safari parent.close code execution

VPN-1 NGX R65 & VPN-1 VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Apple Safari parent.close Code Execution.
2. In the configuration pane, under Settings > Mode, check Active.
3. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries: 

Attack Name: Web Client Enforcement Violation
Attack Information: Apple Safari parent.close code execution

IPS-1 & IPS-1 NGX R65

How Can I Protect My Network?
1. In the IPS-1 Policy Manager, click on the Protection tab.
2. In the Protection tree, click Web Intelligence > HTML, and select the Exploit Specific Protections protection group.
3. Click Exploit Specific Protections (IPS-1 NGX R65 only).
4. In the configuration pane, under Settings, check Active.
5. Click on Install Policy.

How Do I Know if My Network is Under Attack?
Upon attack, the following entries will be logged:

Alert Name: Exploit Specific Protections
Description: Exploit Specific Protections