76218 : Microsoft Windows win32k.sys Driver NULL Dereference Unspecified Arbitrary Code Execution
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Timeline

Disclosure Date
2011-10-12

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2011-1985" target="_blank">CVE</a>)</em> : win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via a crafted application, aka "Win32k Null Pointer De-reference Vulnerability."

Classification

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

Unknown or Incomplete

References

Security Tracker: 1026165
OVAL ID: 12935
Exploit Database: 18024
CVE ID: 2011-1985 (see also: NVD)
Microsoft Knowledge Base Article: 2567053
Secunia Advisory ID: 46405
Related OSVDB ID: 76219 76220 76221
Vendor Specific Advisory URL: http://technet.microsoft.com/en-us/security/bulletin/ms11-077

Tools & Filters

	56451

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2011-10-12 | Disagree?

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