66934 : Microsoft Windows win32k.sys CreateDIBPalette() Function Local Overflow
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Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
7 1065 almost 3 years ago about 2 years ago 11 times 100%

Timeline
Disclosure Date
2010-08-06

Description

Microsoft Windows is prone to an overflow condition. The 'CreateDIBPalette()' function in win32k.sys fails to properly sanitize user-supplied input resulting in a buffer overflow. By performing a clipboard operation with a crafted bitmap file containing a greater than 256 'biClrUsed' value of a 'BITMAPINFOHEADER', a local, context-dependent attacker can potentially execute arbitrary code.

Classification

 Location: Local Access Required, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Solution Unknown
Exploit: Exploit Public
Disclosure: Vendor Verified

Solution

OSVDB is not aware of a solution for this vulnerability.

Products
Microsoft Corporation
Windows Server
 2003 R2 Enterprise SP2
2008 SP2
Windows XP
 SP3
Windows Vista
 SP1
Windows 7
 All Versions

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2010-09-08 | Disagree?

Access_vector_0 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

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