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Last updated: 4/18/2014

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-1225

Original release date: 04/13/2011
Last revised: 10/04/2011
Source: US-CERT/NIST

Overview

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."

Description

Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.2 (HIGH) (AV:L/AC:L/AU:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: XF
Name: mswin-win32k-var13-priv-escalation(66407)
External Source: MISC
Name: http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
External Source: VUPEN
Name: ADV-2011-0952
External Source: SECUNIA
Name: 44156
External Source: MS
Name: MS11-034
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://support.avaya.com/css/P8/documents/100133352
US-CERT Vulnerability Note: CERT
Name: TA11-102A
External Source: BID
Name: 47225
External Source: OVAL
Name: oval:org.mitre.oval:def:12014
External Source: SECTRACK
Name: 1025345

References to Check Content

Identifier: oval:org.mitre.oval:def:12014
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)