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             AUSCERT External Security Bulletin Redistribution

          MS14-076 Vulnerability in Internet Information Services
                 (IIS) Could Allow Security Feature Bypass
                             12 November 2014


        AusCERT Security Bulletin Summary

Product:           Microsoft Internet Information Services (IIS)
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Unauthorised Access -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-4078  

Original Bulletin: 

- --------------------------BEGIN INCLUDED TEXT--------------------

Microsoft Security Bulletin MS14-076 - Important

Vulnerability in Internet Information Services (IIS) Could Allow Security 
Feature Bypass

Version: 1.0

Published Date: November 11, 2014

General Information

Executive Summary

This security update resolves a privately reported vulnerability in Internet 
Microsoft Internet Information Services (IIS) that could lead to a bypass of 
the "IP and domain restrictions" security feature. Successful exploitation of
this vulnerability could result in clients from restricted or blocked domains
having access to restricted web resources.

This security update is rated Important for all supported editions of 
Microsoft Windows 8, Windows 8.1, Windows Server 2012, and Windows Server 2012

Affected Software

Windows 8 for 32-bit Systems
Windows 8 for x64-based Systems
Windows 8.1 for 32-bit Systems
Windows 8.1 for x64-based Systems
Windows Server 2012
Windows Server 2012 R2
Microsoft Internet Information Services 8.0
Microsoft Internet Information Services 8.5

Vulnerability Information

IIS Security Feature Bypass Vulnerability - CVE-2014-4078

A security feature bypass vulnerability exists in Microsoft Information 
Services (IIS) that is caused when incoming web requests are not properly 
compared against the "IP and domain restriction" filtering list. Microsoft 
received information about this vulnerability through coordinated 
vulnerability disclosure. When this security bulletin was issued, Microsoft 
had not received any information to indicate that this vulnerability had been
publicly used to attack customers.

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