Check Point Advisories

Mozilla Firefox Floating Point Number Conversion Memory Corruption (CVE-2009-1563)

Check Point Reference: CPAI-2010-119
Date Published: 12 May 2010
Severity: High
Last Updated: Thursday 10 April, 2014
Source:
Industry Reference:CVE-2009-1563
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description A memory corruption vulnerability exists in Mozilla Firefox Browser. The vulnerability is due to a boundary error when processing very long floating point numbers. A remote attacker can exploit this vulnerability by enticing the target user to open a malicious web page. Successful exploitation could result in execution of arbitrary code within the security context of the currently logged on user. When code execution is unsuccessful the affected application will terminate abnormally.

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 / R71 / R70

  1. In the IPS tab, click Protections and find the Mozilla Firefox Floating Point Number Conversion Memory Corruption protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Mozilla Firefox floating point number conversion memory corruption

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