National Cyber Awareness System

Vulnerability Summary for CVE-2011-0676

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 Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA11-102A

Name: TA11-102A

Hyperlink:http://www.us-cert.gov/cas/techalerts/TA11-102A.html

External Source: MS

Name: MS11-034

Type: Advisory; Patch Information

Hyperlink:http://www.microsoft.com/technet/security/Bulletin/MS11-034.mspx

External Source: XF

Name: mswin-win32k-var11-priv-escalation(66405)

Hyperlink:http://xforce.iss.net/xforce/xfdb/66405

External Source: VUPEN

Name: ADV-2011-0952

Hyperlink:http://www.vupen.com/english/advisories/2011/0952

External Source: SECTRACK

Name: 1025345

Hyperlink:http://www.securitytracker.com/id?1025345

External Source: BID

Name: 47220

Hyperlink:http://www.securityfocus.com/bid/47220

External Source: CONFIRM

Name: http://support.avaya.com/css/P8/documents/100133352

Hyperlink:http://support.avaya.com/css/P8/documents/100133352

External Source: SECUNIA

Name: 44156

Hyperlink:http://secunia.com/advisories/44156

External Source: OVAL

Name: oval:org.mitre.oval:def:12474

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12474

External Source: OVAL

Name: oval:org.mitre.oval:def:12416

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12416

External Source: MISC

Name: http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx

Hyperlink:http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx

References to Check Content

Identifier:oval:org.mitre.oval:def:12474

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

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:12474

Identifier:oval:org.mitre.oval:def:12416

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

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:12416