Check Point Advisories

Microsoft .NET Framework WinForms Information Disclosure (CVE-2013-0001)

Check Point Reference: CPAI-2013-1320
Date Published: 27 Feb 2013
Severity: Medium
Last Updated: 22 Dec 2016
Source: Microsoft Security Bulletin MS13-004
Industry Reference:CVE-2013-0001
Protection Provided by:

Security Gateway
R80, R77, R76, R75, R71, R70

Who is Vulnerable? Microsoft .NET Framework 1.0 Service Pack 3
Microsoft .NET Framework 1.1 Service Pack 1
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.0 Service Pack 2
Microsoft .NET Framework 4
Microsoft .NET Framework 4 for Windows Server 2008 R2 x64-based Systems Service Pack 1
Vulnerability Description A remote code execution vulnerability has been reported in the Microsoft .NET Framework. The vulnerability is due to the way WinForms handles pointers to unmanaged memory locations.A remote, unauthenticated attacker can exploit this vulnerability by either enticing a user to visit a maliciously crafted website containing a specially crafted XML browser application or by using Windows .NET Framework applications to bypass Code Access Security (CAS) restrictions.Successful exploitation will allow an attacker to execute arbitrary code on an affected system, in the security context of the logged on user.
Update/Patch AvaliableApply patches from: MS13-004

Protection Overview

This protection will detect and block attempts to open a specially crafted web page.

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 / R76 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Microsoft .NET Framework WinForms Information Disclosure protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft .NET Framework WinForms Information Disclosure

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