-----BEGIN PGP SIGNED MESSAGE-----
AUSCERT External Security Bulletin Redistribution
Vulnerability in Windows Netlogon Service Could Allow Denial
of Service (2207559)
15 December 2010
AusCERT Security Bulletin Summary
Product: Windows Netlogon Service
Operating System: Windows Server 2003
Windows Server 2008
Impact/Access: Denial of Service -- Existing Account
CVE Names: CVE-2010-2742
- --------------------------BEGIN INCLUDED TEXT--------------------
Microsoft Security Bulletin MS10-101 - Important
Vulnerability in Windows Netlogon Service Could Allow Denial of Service
Published: December 14, 2010
This security update resolves a privately reported vulnerability in the
Netlogon RPC Service on affected versions of Windows Server that are
configured to serve as domain controllers. The vulnerability could allow
denial of service if an attacker sends a specially crafted RPC packet to the
Netlogon RPC Service interface on an affected system. An attacker requires
administrator privileges on a machine that is joined to the same domain as
the affected domain controller in order to exploit this vulnerability.
This security update is rated Important for all supported editions of Windows
Server 2003, Windows Server 2008 (except Itanium-based editions), and Windows
Server 2008 R2 (except Itanium-based editions). For more information, see the
subsection, Affected and Non-Affected Software, in this section.
The security update addresses the vulnerability by correcting the validation
of user-provided data in the Netlogon RPC Service interface. For more
information about the vulnerability, see the Frequently Asked Questions (FAQ)
subsection for the specific vulnerability entry under the next section,
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Server 2008 for 32-bit Systems*
Windows Server 2008 for 32-bit Systems Service Pack 2*
Windows Server 2008 for x64-based Systems*
Windows Server 2008 for x64-based Systems Service Pack 2*
Windows Server 2008 R2 for x64-based Systems*
*Server Core installation affected.
Netlogon RPC Null dereference DOS Vulnerability - CVE-2010-2742
A remote authenticated denial of service vulnerability exists in
implementations of the Netlogon RPC Service on affected versions of
Windows Server. An attacker who successfully exploited this vulnerability
could cause affected versions of the Windows Server to 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 email@example.com
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
Internet Email: firstname.lastname@example.org
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-----
-----END PGP SIGNATURE-----