-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.0661
     Vulnerability in TLS Could Allow Information Disclosure (2655992)
                               10 July 2012

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

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

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows XP
                   Windows Server 2003
                   Windows Vista
                   Windows Server 2008
                   Windows 7
                   Windows Server 2008 R2
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-1870  

Original Bulletin: 
   http://technet.microsoft.com/en-us/security/bulletin/MS12-049

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

Microsoft Security Bulletin MS12-049 - Important

Vulnerability in TLS Could Allow Information Disclosure (2655992)

Published Date: July 10, 2012

Version: 1.0

General Information

Executive Summary

This security update resolves a publicly disclosed vulnerability in TLS. The 
vulnerability could allow information disclosure if an attacker intercepts 
encrypted web traffic served from an affected system. All cipher suites that 
do not use CBC mode are not affected.

This security update is rated Important for all supported releases of Microsoft 
Windows. For more information, see the subsection, Affected and Non-Affected 
Software, in this section.

Affected Software

Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
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
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-based Systems
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core 
  installation)
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core 
  installation)
Windows Server 2008 R2 for x64-based Systems (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core 
  installation)

Vulnerability Information

TLS Protocol Vulnerability - CVE-2012-1870

An information disclosure vulnerability exists in TLS encryption protocol. This 
vulnerability affects the protocol itself and is not specific to the Windows 
operating system. This is an information disclosure vulnerability that allows 
the decryption of encrypted TLS traffic. This vulnerability primarily impacts 
HTTPS traffic, since the browser is the primary attack vector, and all web 
traffic served via HTTPS or mixed content HTTP/HTTPS is affected.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=2/DZ
-----END PGP SIGNATURE-----