Check Point Advisories

Microsoft .NET Information Disclosure (MS15-118: CVE-2015-6096)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-1284
Date Published:	10 Nov 2015
Severity:	High
Last Updated:	Wednesday 30 March, 2016
Source:	Microsoft MS15-118
Industry Reference:	CVE-2015-6096
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft .NET Framework 2.0 Service Pack 2 Microsoft .NET Framework 3.5/3.5.1 Microsoft .NET Framework 4 Microsoft .NET Framework 4.5/4.5.1/4.5.2 Microsoft .NET Framework 4.6
Vulnerability Description	An information disclosure vulnerability exists in Microsoft .NET Framework. The specific vulnerability involves DTD problem in the underlying calls to XmlParser. An attacker who successfully exploited this vulnerability could gain read access to local files on the target system.
Update/Patch Avaliable	Apply patches from: MS15-118

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

In the IPS tab, click Protections and find the Microsoft .NET Information Disclosure (MS15-118: CVE-2015-6096) 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 .NET Information Disclosure (MS15-118: CVE-2015-6096)