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Microsoft Windows GDI Multiple Vulnerabilities

Secunia Advisory:

SA22668

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Release Date:

2006-11-06

Last Update:

2007-04-03

Popularity:

20,792 views

Critical:

Moderately critical

Impact:

Privilege escalation
DoS

Where:

From remote

Solution Status:

Vendor Patch

OS:

Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
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 Storage Server 2003
Microsoft Windows Vista
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

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Advisory Content (Page 1 of 3)

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Description:
Multiple vulnerabilities have been reported in Microsoft Windows, which can be exploited by malicious, local users to gain escalated privileges and by malicious people to cause a DoS (Denial of Service) and potentially compromise a user's system.

1) An error within the handling of GDI kernel structures allows the created global shared memory section, which is mapped with read-only permissions, to be re-mapped with read-write permissions. This can be exploited to corrupt memory by overwriting the data structures with arbitrary data.

2) An error within the processing of Windows Metafile (WMF) image format files can be exploited to cause a system to stop responding or crash when viewing a malicious WMF file.

3) A boundary error within the processing of Enhanced Metafile (EMF) image format files can be exploited to execute arbitrary code on a system via any application rendering EMF files.

4) An error in the Graphics Rendering Engine when rendering layered application windows with invalid window sizes can be exploited to execute arbitrary code with escalated privileges.

5) An error in the Graphics Device Interface when processing colour-related parameters can be exploited to execute arbitrary code with escalated privileges.

6) An error in the TrueType Fonts rasterizer when handling defective or modified font types may be exploited to execute arbitrary code via a specially crafted font type.

Change Page:
[ 1 ] [ 2 ] [ 3 ]

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