66983 : Microsoft Windows win32k.sys Driver xxxCreateWindowsEx hParent Value Handling Local Privilege Escalation
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Timeline

Disclosure Date
2010-08-10
Time to Patch Time to Vendor Response
56 days 1 days

Description

Microsoft Windows contains a flaw that may allow an attacker to gain access to unauthorized privileges. The issue is triggered when the kernel-mode drivers in win32k.sys fail to properly validate pseudo-handle values in callback parameters during window creation, allowing a local authenticated attacker to gain full user privileges.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Private, Exploit Commercial
Disclosure: Vendor Verified
OSVDB: Authentication Required

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability. Check the vendor advisory or solution in the references section.

Products

Microsoft Corporation
Windows XP
SP3
Professional x64 Edition SP2
Windows Vista
SP1
SP2
x64 Edition SP1
x64 Edition SP2
Windows Server 2008
SP2
for Itanium-based Systems
SP0
for Itanium-based Systems SP2
Windows 7
SP0
Windows Server 2003
SP2
x64 Edition SP2
with SP2 for Itanium-based Systems
Windows Server 2008 R2
for Itanium-based Systems
for x64-based Systems

References

Tools & Filters

48285

ms10_048

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2010-08-12 | Disagree? | There are 1 more: View All

Access_vector_0 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

Comments

No Comments.

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