copyright | disclaimer | privacy | contact  
Australia's Leading Computer Emergency Response Team
Search this site

On this site

 > About AusCERT
 > Membership
 > Contact Us
 > PKI Services
 > Publications
 > Sec. Bulletins
 > Conferences
 > News & Media
 > Services
 > Web Log
 > Site Map
 > Site Help
 > Member login


ESB-2014.0926 - [Win] Microsoft Windows: Denial of service - Remote/unauthenticated

Date: 10 June 2014

Click here for printable version
Click here for PGP verifiable version
Hash: SHA1

             AUSCERT External Security Bulletin Redistribution

   Vulnerability in TCP Protocol Could Allow Denial of Service (2962478)
                               10 June 2014


        AusCERT Security Bulletin Summary

Product:           Microsoft Windows
Publisher:         Microsoft
Operating System:  Windows Vista
                   Windows Server 2008
                   Windows 7
                   Windows Server 2008 R2
                   Windows 8
                   Windows 8.1
                   Windows Server 2012
                   Windows Server 2012 R2
                   Windows RT
                   Windows RT 8.1
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-1811  

Original Bulletin:

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

Microsoft Security Bulletin MS14-031 - Important
Vulnerability in TCP Protocol Could Allow Denial of Service (2962478)

Published: June 10, 2014

Version: 1.0

Executive Summary

This security update resolves a privately reported vulnerability in Microsoft
Windows. The vulnerability could allow denial of service if an attacker sends
a sequence of specially crafted packets to the target 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 

Windows Vista
Windows Server 2008
Windows 7
Windows Server 2008 R2
Windows 8 and Windows 8.1
Windows Server 2012 and Windows Server 2012 R2
Windows RT and Windows RT 8.1

Vulnerability Information

TCP Denial of Service Vulnerability - CVE-2014-1811

A denial of service vulnerability exists in the Windows TCP/IP networking 
protocol. An attacker who successfully exploited this vulnerability could 
cause the affected system to stop responding.

- --------------------------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
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:

Australian Computer Emergency Response Team
The University of Queensland
Qld 4072

Internet Email:
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.