Check Point Advisories

Microsoft Internet Explorer TextRange Object Memory Corruption (MS08-045; CVE-2008-2255)

Vulnerability
Protection

Check Point Reference:	CPAI-2008-330
Date Published:	26 Jul 2010
Severity:	High
Last Updated:	Monday 09 November, 2015
Source:
Industry Reference:	CVE-2008-2255
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A memory corruption vulnerability exists in the way Microsoft Internet Explorer manages text. The vulnerability is due to an integer overflow error when storing text string, which leads to memory corruption in the browser. Remote unauthenticated attackers could exploit this vulnerability by persuading a target user to visit a specially crafted Web site. Successful exploitation would cause a memory corruption that may lead to arbitrary code execution in the security context of the logged in user, In an attack scenario, where arbitrary code is attempted to be injected and executed on the target machine, the behavior of the target is dependent on the intention of the malicious code. If code execution is not successful, the vulnerable application may terminate as a result of the attack attempt.

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

In the IPS tab, click Protections and find the Microsoft Internet Explorer TextRange Object Memory Corruption (MS08-045) 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 Client Enforcement Violation.
Attack Information: Microsoft Internet Explorer TextRange Object Memory Corruption (MS08-045)