Check Point Advisories

Microsoft Windows Shell Handler URL Validation Code Execution (MS10-007; CVE-2010-0027)

Check Point Reference: CPAI-2010-031
Date Published: 9 Feb 2010
Severity: Critical
Last Updated: Monday 12 January, 2015
Source:
Industry Reference:CVE-2010-0027
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description A remote code execution vulnerability has been reported in the Microsoft Windows ShellExecute API function. The Windows user interface provides users with access to a wide variety of objects necessary for running applications and managing the operating system. ShellExecute is part of the Windows Shell application programming interface (API) functions. It performs an operation on a specified file. A remote attacker can exploit this vulnerability by convincing a user to visit a specially crafted Web page. Successful exploitation could result in execution of arbitrary code on the affected system. The vulnerability is due to the incorrect validation of input sent to the ShellExecute API function. When an application, such as a web browser, uses the ShellExecute API function to processes specially crafted data, ShellExecute may incorrectly validate that data stream and execute a binary from the local client system. A remote attacker could exploit this issue by convincing a user to visit a malicious Web page. Successful exploitation of this issue may allow the attacker to take complete control of the affected system.

Protection Overview

This protection will detect and block malformed links in HTML files.

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 / R65

  1. In the IPS tab, click Protections and find the Microsoft Windows Shell Handler URL Validation Code Execution (MS10-007) 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:  Microsoft Windows shell handler URL validation code execution (MS10-007)

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