National Cyber Awareness System

Vulnerability Summary for CVE-2010-4398

Overview

Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges, and bypass the User Account Control (UAC) feature, via a crafted REG_BINARY value for a SystemDefaultEUDCFont registry key, aka "Driver Improper Interaction with Windows Kernel Vulnerability."

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#529673

Name: VU#529673

Hyperlink:http://www.kb.cert.org/vuls/id/529673

External Source: VUPEN

Name: ADV-2011-0324

Hyperlink:http://www.vupen.com/english/advisories/2011/0324

External Source: SECTRACK

Name: 1025046

Hyperlink:http://www.securitytracker.com/id?1025046

External Source: BID

Name: 45045

Hyperlink:http://www.securityfocus.com/bid/45045

External Source: MS

Name: MS11-011

Hyperlink:http://www.microsoft.com/technet/security/Bulletin/MS11-011.mspx

External Source: EXPLOIT-DB

Name: 15609

Hyperlink:http://www.exploit-db.com/exploits/15609/

External Source: MISC

Name: http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/

Hyperlink:http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/

External Source: MISC

Name: http://twitter.com/msftsecresponse/statuses/7590788200402945

Hyperlink:http://twitter.com/msftsecresponse/statuses/7590788200402945

External Source: CONFIRM

Name: http://support.avaya.com/css/P8/documents/100127248

Hyperlink:http://support.avaya.com/css/P8/documents/100127248

External Source: SECUNIA

Name: 42356

Type: Advisory

Hyperlink:http://secunia.com/advisories/42356

External Source: OVAL

Name: oval:org.mitre.oval:def:12162

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:12162

External Source: MISC

Name: http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/

Hyperlink:http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/

External Source: MISC

Name: http://isc.sans.edu/diary.html?storyid=9988

Hyperlink:http://isc.sans.edu/diary.html?storyid=9988

References to Check Content

Identifier:oval:org.mitre.oval:def:12162

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

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:12162