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Vulnerability Details : CVE-2011-1884

Use-after-free vulnerability in 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 leverages incorrect driver object management, a different vulnerability than other CVEs listed in MS11-054, aka "Win32k Use After Free Vulnerability."
Publish Date : 2011-07-13 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 399

- Related OVAL Definitions

Title Definition Id Class Family
Win32k Use After Free Vulnerability (CVE-2011-1884) oval:org.mitre.oval:def:12873 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-2011-1884

# 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 X64 Version Details Vulnerabilities
7 OS Microsoft Windows Server 2003 SP2 Itanium Version Details Vulnerabilities
8 OS Microsoft Windows Server 2008 - SP2 Itanium Version Details Vulnerabilities
9 OS Microsoft Windows Server 2008 X32 Version Details Vulnerabilities
10 OS Microsoft Windows Server 2008 SP2 X32 Version Details Vulnerabilities
11 OS Microsoft Windows Server 2008 Itanium Version Details Vulnerabilities
12 OS Microsoft Windows Server 2008 X64 Version Details Vulnerabilities
13 OS Microsoft Windows Server 2008 SP2 X64 Version Details Vulnerabilities
14 OS Microsoft Windows Server 2008 R2 Itanium Version Details Vulnerabilities
15 OS Microsoft Windows Server 2008 R2 SP1 Itanium Version Details Vulnerabilities
16 OS Microsoft Windows Server 2008 R2 X64 Version Details Vulnerabilities
17 OS Microsoft Windows Server 2008 R2 SP1 X64 Version Details Vulnerabilities
18 OS Microsoft Windows Vista SP2 Version Details Vulnerabilities
19 OS Microsoft Windows Vista SP2 X64 Version Details Vulnerabilities
20 OS Microsoft Windows Vista SP1 Version Details Vulnerabilities
21 OS Microsoft Windows Vista SP1 X64 Version Details Vulnerabilities
22 OS Microsoft Windows Xp - SP2 X64 Version Details Vulnerabilities
23 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 10
Microsoft Windows Vista 4
Microsoft Windows Xp 2

- References For CVE-2011-1884

http://osvdb.org/73784
OSVDB 73784
http://support.avaya.com/css/P8/documents/100144947 CONFIRM
http://secunia.com/advisories/45186
SECUNIA 45186
http://www.securityfocus.com/bid/48596
BID 48596 Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1884) Local Privilege Escalation Vulnerability Release Date:2011-07-13
http://technet.microsoft.com/en-us/security/bulletin/ms11-054
Microsoft Security Bulletin MS11-054 MS11-054 - Important : Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2555917) - Version: 1.0 Severity Rating: Important Revision Note: V1.0 (July 12, 2011): Bulletin published. Summary: This security update resolves 15 privately reported vulnerabilities in Microsoft Windows. The most severe of these 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.Release Date:2011-07-12
http://www.us-cert.gov/cas/techalerts/TA11-193A.html
CERT TA11-193A
http://www.securitytracker.com/id?1025761
SECTRACK 1025761

- Metasploit Modules Related To CVE-2011-1884

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


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