Check Point Advisories

Microsoft Windows Web View Script Injection (MS05-024; CVE-2005-1191)

Check Point Reference: CPAI-2005-241
Date Published: 19 Oct 2009
Severity: High
Last Updated: Monday 19 October, 2009
Source:
Industry Reference:CVE-2005-1191
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
Vulnerability Description Metadata is a general term for data which is used to describe characteristics of data. It is generally used to provide information such as title, author, modification history, as well as any other relevant characteristics. In Microsoft implementations there are two common approaches to storing file metadata, incorporating it into the file descriptor or incorporating it directly into the file. A vulnerability exists in the Microsoft Windows Explorer Web View component. The flaw is created by insufficient validation of user-supplied Author field value of the file summary information. This vulnerability may be leveraged by a malicious user to execute arbitrary code on an affected target host. A successful attack will result in arbitrary code execution. The script embedded in the malicious file will be inserted into the HTML page produced by Web View upon cursor focus being placed on the file. The timing of the script execution will depend on the attack approach. In some of those approches, the script will be executed immediately. In others, additional action from the user maybe required. There are attack approaches where the user will be required to move the mouse over the displayed email link for an exploit to execute. The behaviour of the target, resulting from the execution of the embedded code is entirely dependent on the intention of the code.

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

  1. In the IPS tab, click Protections and find the Microsoft Windows Web View Script Injection (MS05-024) 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:  Content Protection Violation.
Attack Information:  Microsoft Windows web view script injection (MS05-024)

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