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CVE-2010-0484

Status Candidate

Overview

The Windows kernel-mode drivers in win32k.sys in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista SP1 and SP2, and Server 2008 Gold and SP2 "do not properly validate changes in certain kernel objects," which allows local users to execute arbitrary code via vectors related to Device Contexts (DC) and the GetDCEx function, aka "Win32k Improper Data Validation Vulnerability."

Related Files

Microsoft Windows Kernel GetDCEx() Memory Corruption
Posted Jun 12, 2010
Authored by Sebastien Renaud | Site vupen.com

VUPEN Vulnerability Research Team discovered a vulnerability affecting Microsoft Windows. The vulnerability is caused by a memory corruption within the kernel-mode device driver "Win32k.sys" when handling Device Contexts (DC) via the "GetDCEx()" function, which could be exploited by local attackers to gain ring0 privileges via a specially crafted application.

tags | advisory, kernel, local
systems | windows
advisories | CVE-2010-0484
SHA-256 | 471632af4e10eb0cecd7d5eb20421f61e27b561c6dbf40db0fb74659199d6c65
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