Operating System:

[Win]

Published:

11 March 2015

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.0565
        MS15-029: Vulnerability in Windows Photo Decoder Component
                    Could Allow Information Disclosure
                               11 March 2015

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Access Confidential Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-0076  

Original Bulletin: 
   https://technet.microsoft.com/en-us/library/security/MS15-029

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Bulletin Number: MS15-029

Bulletin Title: Vulnerability in Windows Photo Decoder Component Could Allow 
Information Disclosure

Severity: Important

KB Article: 3035126

Version: 1.0

Published Date: March 10, 2015

Description: This security update resolves a privately reported vulnerability
in Microsoft Windows. The vulnerability could allow information disclosure if
a user browses to a website containing a specially crafted JPEG XR (.JXR) 
image. This vulnerability would not allow an attacker to execute code or to 
elevate their user rights directly, but it could be used to obtain information
that could be used to try to further compromise the affected system.

Executive Summary

This security update resolves a vulnerability in Microsoft Windows. The 
vulnerability could allow information disclosure if a user browses to a 
website containing a specially crafted JPEG XR (.JXR) image. This 
vulnerability would not allow an attacker to execute code or to elevate their
user rights directly, but it could be used to obtain information that could be
used to try to further compromise the affected system.

This security update is rated Important for all supported editions of Windows
Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, 
Windows Server 2012, Windows RT, Windows 8.1, Windows Server 2012 R2, and 
Windows RT 8.1.

Affected Software

The following software versions or editions are affected.

Windows Vista Service Pack 2

Windows Vista x64 Edition Service Pack 2

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows Server 2008 for x64-based Systems Service Pack 2

Windows Server 2008 for Itanium-based Systems Service Pack 2

Windows 7 for 32-bit Systems Service Pack 1

Windows 7 for x64-based Systems Service Pack 1

Windows Server 2008 R2 for x64-based Systems Service Pack 1

Windows Server 2008 R2 for Itanium-based Systems Service Pack 1

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

Windows RT[1]

Windows RT 8.1[1]

Vulnerability Information

JPEG XR Parser Information Disclosure Vulnerability - CVE-2015-0076

An information disclosure vulnerability exists when Windows fails to properly
handle uninitialized memory when parsing certain, specially crafted JPEG XR 
(.JXR) image format files. The vulnerability could allow information 
disclosure if an attacker runs a specially crafted application on an affected
system.

To exploit the vulnerability, an attacker could host a specially crafted 
website (or leverage a compromised website or one that accepts or hosts 
user-provided content or advertisements) and then convince a user to visit the
website. In all cases, however, an attacker would have no way to force users 
to visit a website. A user would have to be convinced to do so, typically by 
way of a link in an email or Instant Messenger message that directs the user 
to the attacker's website. It could also be possible to display specially 
crafted web content through banner advertisements or other methods capable of
delivering web content to affected systems.

An attacker who successfully exploited this vulnerability could potentially 
read data that was not intended to be disclosed. Note that this vulnerability
would not allow an attacker to execute code or to elevate their user rights 
directly, but it could be used to obtain information that could be used to try
to further compromise the affected system. The update addresses the 
vulnerability by correcting how Windows processes JPEG XR (.JXR) image format
files.

Microsoft received information about this vulnerability through coordinated 
vulnerability disclosure. When this security bulletin was originally issued 
Microsoft had not received any information to indicate that this vulnerability
had been publicly used to attack customers.

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===========================================================================
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