Check Point Advisories

Microsoft Internet Explorer EUC-JP Character Encoding Cross Site Scripting (MS13-059; CVE-2013-3192)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-2890
Date Published:	28 Oct 2013
Severity:	High
Last Updated:	Thursday 16 January, 2014
Source:
Industry Reference:	CVE-2013-3192
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A universal cross site scripting vulnerability exists in Microsoft Internet Explorer. The vulnerability is due to the way that IE handles EUC-JP character encoding. A remote attacker could exploit this vulnerability by submitting specially crafted HTML code into a target web site that uses EUC-JP character encoding, such as a web forum or social networking site. In the case of successful exploitation, arbitrary attacker code would run in the target users' browsers in the security context of the affected web site.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.Note: This protection is supported from version R75.40VS and above and cannot be enforced by previous IPS gateway versions.

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 EUC-JP Character Encoding Cross Site Scripting (MS13-059) 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 EUC-JP Character Encoding Universal Cross Site Scripting (MS13-059)