Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2010.0515
Vulnerability in the OpenType Compact Font Format (CFF)
Driver Could Allow Elevation of Privilege
9 June 2010
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Microsoft Windows
Publisher: Microsoft
Operating System: Windows 2000
Windows XP
Windows Vista
Windows 7
Windows Server 2003
Windows Server 2008
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2010-0819
Original Bulletin:
http://www.microsoft.com/technet/security/Bulletin/MS10-037.mspx
- --------------------------BEGIN INCLUDED TEXT--------------------
Microsoft Security Bulletin MS10-037 - Important
Vulnerability in the OpenType Compact Font Format (CFF) Driver Could Allow
Elevation of Privilege (980218)
Version: 1.0
General Information
Executive Summary
This security update resolves a privately reported vulnerability in the
Windows OpenType Compact Font Format (CFF) driver. The vulnerability could
allow elevation of privilege if a user views content rendered in a specially
crafted CFF font. An attacker must have valid logon credentials and be able to
log on locally to exploit this vulnerability. The vulnerability could not be
exploited remotely or by anonymous users.
This security update is rated Important for all supported editions of Microsoft
Windows. For more information, see the subsection, Affected and Non-Affected
Software, in this section.
The security update addresses the vulnerability by ensuring that the OpenType
Compact Font Format (CFF) driver properly validates data. For more information
about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for
the specific vulnerability entry under the next section, Vulnerability
Information.
Recommendation. The majority of customers have automatic updating enabled and
will not need to take any action because this security update will be downloaded
and installed automatically. Customers who have not enabled automatic updating
need to check for updates and install this update manually. For information
about specific configuration options in automatic updating, see Microsoft
Knowledge Base Article 294871.
For administrators and enterprise installations, or end users who want to install
this security update manually, Microsoft recommends that customers apply the
update at the earliest opportunity using update management software, or by
checking for updates using the Microsoft Update service.
Affected Software
Microsoft Windows 2000 Service Pack 4
Windows XP Service Pack 2 and 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 1 and Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition
Service Pack 2
Windows Server 2008 for 32-bit Systems and Windows Server 2008 for
32-bit Systems Service Pack 2*
Windows Server 2008 for x64-based Systems and Windows Server 2008 for
x64-based Systems Service Pack 2*
Windows Server 2008 for Itanium-based Systems and Windows Server 2008
for Itanium-based Systems Service Pack 2
Windows 7 for 32-bit Systems
Windows 7 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems*
Windows Server 2008 R2 for Itanium-based Systems
*Server Core installation affected. This update applies, with the same
severity rating, to supported editions of Windows Server 2008 or
Windows Server 2008 R2 as indicated, whether or not installed using the
Server Core installation option. For more information on this
installation option, see the MSDN articles, Server Core and Server Core
for Windows Server 2008 R2. Note that the Server Core installation option
does not apply to certain editions of Windows Server 2008 and Windows
Server 2008 R2; see Compare Server Core Installation Options.
Vulnerability Information
OpenType CFF Font Driver Memory Corruption Vulnerability - CVE-2010-0819
An elevation of privilege vulnerability exists in the Windows OpenType
Compact Font Format (CFF) driver due to improper validation of certain
data passed from user mode to kernel mode. An attacker who successfully
exploited this vulnerability could run arbitrary code in kernel mode. An
attacker could then install programs; view, change, or delete data; or
create new accounts with full user rights.
- --------------------------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
If you believe that your computer system has been compromised or attacked in
any way, we encourage you to let us know by completing the secure National IT
Incident Reporting Form at:
http://www.auscert.org.au/render.html?it=3192
===========================================================================
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
iD8DBQFMDsXD/iFOrG6YcBERAvgFAKDjOG7pPIFmn+PHzLUZhZElrop1dgCfTf4+
RsQqIjdBwiILaodDU4J8YJA=
=J0LY
-----END PGP SIGNATURE-----