Check Point Advisories

Microsoft Internet Explorer Telnet Handler Remote Code Execution (MS11-057; CVE-2011-1961)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-356
Date Published:	9 Aug 2011
Severity:	High
Last Updated:	Sunday 28 December, 2014
Source:
Industry Reference:	CVE-2011-1961
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 Microsoft Internet Explorer telnet handler. A remote attacker could trigger this flaw by enticing an unsuspecting user to open a web page containing malicious content. Successful exploitation may enable an attacker to take complete control of an affected system.

Protection Overview

This protection will detect and block attempts to exploit these vulnerabilities.

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

In the IPS tab, click Protections and find the Microsoft Internet Explorer Telnet Handler Remote Code Execution (MS11-057) 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: Telnet Enforcement Violation.
Attack Information: Microsoft Internet Explorer Telnet handler remote code execution (MS11-057)