Microsoft Windows 'win32k.sys' OpenType字体解析远程代码执行漏洞

Bugtraq ID: 48183
CVE ID：CVE-2011-1873

Microsoft Windows是一款流行的操作系统。
在解析OpenType字体时win32k.sys存在指针验证错误，攻击者在远程WebDAV或SMB共享上构建特制OTF文件，诱使用户打开，可导致在X64或者基于Itanium的系统上以内核上下文执行任意代码。

Microsoft Windows XP Professional x64 Edition SP2
Microsoft Windows Vista x64 Edition SP2
Microsoft Windows Vista x64 Edition SP1
Microsoft Windows Server 2008 R2 x64 SP1
Microsoft Windows Server 2008 R2 Itanium SP1
Microsoft Windows Server 2008 R2 Itanium 0
Microsoft Windows Server 2008 for x64-based Systems SP2
Microsoft Windows Server 2008 for x64-based Systems R2
Microsoft Windows Server 2008 for x64-based Systems 0
Microsoft Windows Server 2008 for Itanium-based Systems SP2
Microsoft Windows Server 2008 for Itanium-based Systems 0
Microsoft Windows Server 2003 x64 SP2
Microsoft Windows Server 2003 Itanium SP2
Microsoft Windows 7 for x64-based Systems SP1
Microsoft Windows 7 for x64-based Systems
厂商解决方案
用户可参考如下供应商提供的安全公告获得补丁信息：
http://www.microsoft.com/technet/security/Bulletin/MS11-041.mspx