OSVDB ID: 66981

Title: Microsoft Windows win32k.sys Driver User Mode Copy Memory Allocation Local Privilege Escalation

Info

Disclosure

Aug 10, 2010

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Aug 10, 2010

Description

Microsoft Windows contains a flaw that may allow an attacker to gain access to unauthorized privileges. The issue is triggered when win32k.sys fails to properly allocate memory when copying data from user mode, allowing a local authenticated attacker to cause a pool overflow and gain full user privileges.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Private
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 Server

2003 SP2 for Itanium
2003 x64 Edition SP2
2003 SP2

References

Credit

Unknown or Incomplete



Direct URL: http://osvdb.org/66981