[PCWorks] Windows OpenType Compact Font Format Driver Vulnerability
- From: "Clint Hamilton-PCWorks Admin" <PCWorks@xxxxxxxxxxxxxxxxxxxxxxxx>
- To: "PCWorks@xxxxxxxxxxxxx" <pcworks@xxxxxxxxxxxxx>
- Date: Thu, 14 Apr 2011 23:03:58 -0500
TITLE:
Microsoft Windows OpenType Compact Font Format Driver
Vulnerability
Criticality level: Highly critical
Impact: System access, DoS
Where: From remote
SECUNIA ADVISORY ID:
http://secunia.com/advisories/43836/
Operating Systems:
Microsoft Windows 7
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows Server 2008
Microsoft Windows Storage Server 2003
Microsoft Windows Vista
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional
DESCRIPTION:
A vulnerability has been reported in Microsoft Windows, which
can be
exploited by malicious people to cause a DoS (Denial of
Service) or
potentially compromise a user's system.
The vulnerability is caused due to an error in the OpenType
Compact
Font Format Driver when parsing OpenType fonts. This can be
exploited
by tricking a user into navigating to a network share
containing a
specially crafted font file in Windows Explorer (only Vista,
Windows
Server 2008, Windows 7, and Windows Server 2008 R2) or visit a
specially crafted web page using a third-party browser that
natively
renders OpenType fonts.
Successful exploitation may allow execution of arbirtary code
in
kernel mode.
SOLUTION:
Apply patches.
ORIGINAL ADVISORY:
MS11-032 (KB2507618):
http://www.microsoft.com/technet/security/Bulletin/MS11-032.mspx
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