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Vulnerability Details : CVE-2010-4398 (1 public exploit)

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."
Publish Date : 2010-12-06 Last Update Date : 2011-07-18
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) OverflowGain privilegesBypass a restriction or similar
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
Driver Improper Interaction with Windows Kernel Vulnerability oval:org.mitre.oval:def:12162 windows
MS11-011: Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege (2393802) oval:gov.nist.fdcc.patch:def:11735 windows
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2010-4398

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows 2003 Server Version Details Vulnerabilities
2 OS Microsoft Windows 7 Version Details Vulnerabilities
3 OS Microsoft Windows Server 2008 Itanium Version Details Vulnerabilities
4 OS Microsoft Windows Server 2008 X32 Version Details Vulnerabilities
5 OS Microsoft Windows Server 2008 X64 Version Details Vulnerabilities
6 OS Microsoft Windows Server 2008 R2 Itanium Version Details Vulnerabilities
7 OS Microsoft Windows Server 2008 R2 X64 Version Details Vulnerabilities
8 OS Microsoft Windows Vista Version Details Vulnerabilities
9 OS Microsoft Windows Xp Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows 2003 Server 1
Microsoft Windows 7 1
Microsoft Windows Server 2008 5
Microsoft Windows Vista 1
Microsoft Windows Xp 1

- References For CVE-2010-4398

http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/
http://secunia.com/advisories/42356
SECUNIA 42356
http://isc.sans.edu/diary.html?storyid=9988
http://support.avaya.com/css/P8/documents/100127248 CONFIRM
http://twitter.com/msftsecresponse/statuses/7590788200402945
http://www.securityfocus.com/bid/45045
BID 45045 Microsoft Windows User Access Control (UAC) Bypass Local Privilege Escalation Vulnerability Release Date:2011-02-10
http://technet.microsoft.com/en-us/security/bulletin/ms11-011
Microsoft Security Bulletin MS11-011 MS11-011 - Important: Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege (2393802) Bulletin Severity Rating:Important - This security update resolves one publicly disclosed vulnerability and one privately reported vulnerability in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logged on locally and ran a specially crafted application. An attacker must have valid logon credentials and be able to log on locally to exploit these vulnerabilities. The vulnerabilities could not be exploited remotely or by anonymous users.Release Date:2011-02-08
http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/
http://www.securitytracker.com/id?1025046
SECTRACK 1025046
http://www.vupen.com/english/advisories/2011/0324
VUPEN ADV-2011-0324
http://www.kb.cert.org/vuls/id/529673
CERT-VN VU#529673
Exploit! http://www.exploit-db.com/exploits/15609
EXPLOIT-DB 15609 Elevation of privileges under Windows Vista/7 (UAC Bypass) 0day Author:noobpwnftw Release Date:2010-11-24 (windows) local

- Metasploit Modules Related To CVE-2010-4398

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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