Check Point Advisories

Internet Explorer FTP Response Parsing Memory Corruption (MS07-016; CVE-2007-0217)

Check Point Reference: CPAI-2009-277
Date Published: 13 Dec 2009
Severity: High
Last Updated: Wednesday 25 March, 2015
Source:
Industry Reference:CVE-2007-0217
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description Microsoft Internet Explorer (IE) is a web browser application that is included as part of Microsoft Windows operating systems. Microsoft Windows Internet (WinINet) application programming interface (API) in Internet Explorer is a component to serve as application interface for Internet protocols, such as FTP, Gopher, and HTTP. WinINet can also be used by the other applications to utilize the supported Internet protocols. There exists a memory corruption vulnerability in Microsoft Internet Explorer. The flaw is due to improper validation of reply lines in FTP server responses. By persuading a user to visit a malicious web site, an attacker may execute arbitrary code on the target system with the privileges of the currently logged on user. In an attack case where code injection is not successful the affected application will terminate abnormally. In a more sophisticated attack, where code injection is successful, the behaviour of the target is entirely dependent on the intended function of the injected code. The code in such a case would execute within the security context of the current logged on user.

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 Internet Explorer FTP Response Parsing Memory Corruption (MS07-016) 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:  FTP Enforcement Violation.
Attack Information:  Microsoft Internet Explorer FTP response parsing memory corruption (MS07-016)

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