Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2011.0820
Vulnerability in Remote Desktop Protocol Could Allow Denial of Service
10 August 2011
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Remote Desktop Protocol
Publisher: Microsoft
Operating System: Windows XP
Windows Server 2003
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2011-1968
Original Bulletin:
http://www.microsoft.com/technet/security/bulletin/MS11-065.mspx
- --------------------------BEGIN INCLUDED TEXT--------------------
Microsoft Security Bulletin MS11-065 - Important
Vulnerability in Remote Desktop Protocol Could Allow Denial of Service (2570222)
Published: August 09, 2011
Version: 1.0
General Information
Executive Summary
This security update resolves a privately reported vulnerability in the
Remote Desktop Protocol. The vulnerability could allow denial of
service if an affected system received a sequence of specially crafted
RDP packets. Microsoft has also received reports of limited, targeted
attacks attempting to exploit this vulnerability. By default, the
Remote Desktop Protocol (RDP) is not enabled on any Windows operating
system.
This security update is rated Important for all supported editions of
Windows Server 2003 and Moderate for all supported editions of Windows
XP. 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
Vulnerability Information
Remote Desktop Protocol Vulnerability - CVE-2011-1968
A denial of service vulnerability exists in the way that the Remote
Desktop Protocol accesses an object in memory that has been improperly
initialized or has been deleted. An attacker who successfully exploited
this vulnerability could cause the target system to stop responding and
automatically restart.
- --------------------------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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=wl2J
-----END PGP SIGNATURE-----