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             AUSCERT External Security Bulletin Redistribution

         Microsoft Security Bulletin MS16-041: Security Update for
                         .NET Framework (3148789)
                               13 April 2016


        AusCERT Security Bulletin Summary

Product:           Microsoft .NET Framework
Publisher:         Microsoft
Operating System:  Windows Vista
                   Windows 7
                   Windows Server 2008
                   Windows Server 2008 R2
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-0148  

Original Bulletin: 

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Microsoft Security Bulletin MS16-041: Security Update for .NET Framework 

Document Metadata

Bulletin Number: MS16-041

Bulletin Title: Security Update for .NET Framework

Severity: Important

KB Article: 3148789

Version: 1.0

Executive Summary

This security update resolves a vulnerability in Microsoft .NET Framework. The
vulnerability could allow remote code execution if an attacker with access to
the local system executes a malicious application.

This security update is rated Important for Microsoft .NET Framework 4.6 and 
Microsoft .NET Framework 4.6.1 on affected releases of Microsoft Windows.

Affected Software

Microsoft .NET Framework 4.6

Microsoft .NET Framework 4.6.1

Vulnerability Information

.NET Framework Remote Code Execution Vulnerability - CVE-2016-0148

A remote code execution vulnerability exists when Microsoft .NET Framework 
fails to properly validate input before loading libraries. An attacker who 
successfully exploited this vulnerability could take control of an affected 
system. An attacker could then install programs; view, change, or delete data;
or create new accounts with full user rights. Users whose accounts are 
configured to have fewer user rights on the system could be less impacted than
users who operate with administrative user rights.

To exploit the vulnerability, an attacker would first need to access the local
system with the ability to execute a malicious application. The security 
update addresses the vulnerability by correcting how .NET validates input on 
library load.

The following table contains links to the standard entry for each 
vulnerability in the Common Vulnerabilities and Exposures list:

Vulnerability title					CVE number	Publicly disclosed	Exploited
.NET Framework Remote Code Execution Vulnerability	CVE-2016-0148	Yes			No

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