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Vulnerability Details : CVE-2011-1967

Winsrv.dll in the Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem 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 check permissions for sending inter-process device-event messages from low-integrity processes to high-integrity processes, which allows local users to gain privileges via a crafted application, aka "CSRSS Vulnerability."
Publish Date : 2011-08-10 Last Update Date : 2011-10-04
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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) Gain privileges
CWE ID 264

- Related OVAL Definitions

Title Definition Id Class Family
CSRSS Vulnerability oval:org.mitre.oval:def:12911 windows
MS11-063: Vulnerability in Windows Client/Server Run-time Subsystem Could Allow Elevation of Privilege (2567680) oval:gov.nist.fdcc.patch:def:11776 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-2011-1967

# Product Type Vendor Product Version Update Edition Language
1 OS Microsoft Windows 2003 Server SP2 Version Details Vulnerabilities
2 OS Microsoft Windows 7 - SP1 X32 Version Details Vulnerabilities
3 OS Microsoft Windows 7 - - X64 Version Details Vulnerabilities
4 OS Microsoft Windows 7 - SP1 X64 Version Details Vulnerabilities
5 OS Microsoft Windows 7 - - X32 Version Details Vulnerabilities
6 OS Microsoft Windows Server 2003 SP2 Itanium Version Details Vulnerabilities
7 OS Microsoft Windows Server 2003 SP2 X64 Version Details Vulnerabilities
8 OS Microsoft Windows Server 2008 - SP2 Itanium Version Details Vulnerabilities
9 OS Microsoft Windows Server 2008 SP2 X32 Version Details Vulnerabilities
10 OS Microsoft Windows Server 2008 SP2 X64 Version Details Vulnerabilities
11 OS Microsoft Windows Server 2008 R2 SP1 Itanium Version Details Vulnerabilities
12 OS Microsoft Windows Server 2008 R2 X64 Version Details Vulnerabilities
13 OS Microsoft Windows Server 2008 R2 SP1 X64 Version Details Vulnerabilities
14 OS Microsoft Windows Server 2008 R2 Itanium Version Details Vulnerabilities
15 OS Microsoft Windows Vista SP2 X64 Version Details Vulnerabilities
16 OS Microsoft Windows Vista SP2 Version Details Vulnerabilities
17 OS Microsoft Windows Xp - SP2 X64 Version Details Vulnerabilities
18 OS Microsoft Windows Xp SP3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Windows 2003 Server 1
Microsoft Windows 7 4
Microsoft Windows Server 2003 2
Microsoft Windows Server 2008 7
Microsoft Windows Vista 2
Microsoft Windows Xp 2

- References For CVE-2011-1967

http://technet.microsoft.com/en-us/security/bulletin/ms11-063
Microsoft Security Bulletin MS11-063 MS11-063 - Important : Vulnerability in Windows Client/Server Run-time Subsystem Could Allow Elevation of Privilege (2567680) - Version: 1.1 Severity Rating: Important Revision Note: V1.1 (August 17, 2011): Corrected the hyperlink for CVE-2011-1967. Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application designed to send a device event message to a higher-integrity process. An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability.Release Date:2011-08-17
http://www.us-cert.gov/cas/techalerts/TA11-221A.html
CERT TA11-221A

- Metasploit Modules Related To CVE-2011-1967

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


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